diff --git a/bzgold2/changelog.txt b/bzgold2/changelog.txt
index 4d308d3..8287422 100644
--- a/bzgold2/changelog.txt
+++ b/bzgold2/changelog.txt
@@ -1,4 +1,16 @@
 ---------------------------------------------------------------------------------------------------
+Version: 2.0.3
+Date: 10.12.2025
+  Bug Fixes:
+    - Fix tech coal-liquefaction has no prereq with catalysis off
+    - Fix recipe name of blank-tech-card-silver
+    - Fix autoplace of rich-copper-ore
+---------------------------------------------------------------------------------------------------
+Version: 2.0.2
+Date: 01.11.2025
+  Bug Fixes:
+    - Fix K2 matter integration (thanks pla)
+---------------------------------------------------------------------------------------------------
 Version: 2.0.1
 Date: 21.10.2025
   Changes:
diff --git a/bzgold2/data-util.lua b/bzgold2/data-util.lua
index 3825ac6..a6fc6c0 100644
--- a/bzgold2/data-util.lua
+++ b/bzgold2/data-util.lua
@@ -115,12 +115,12 @@ end
 function util.k2matter(params)
   local matter = require("__Krastorio2__/prototypes/libraries/matter")
   if mods["space-exploration"] then 
-    params.k2matter.need_stabilizer = true
+    params.k2matter.needs_stabilizer = true
   end
   if not params.k2matter.minimum_conversion_quantity then
     params.k2matter.minimum_conversion_quantity = 10
   end
-  if not data.raw.technology[params.k2matter.unlocked_by_technology] then
+  if not data.raw.technology[params.k2matter.unlocked_by] then
     local icon = ""
     if params.k2baseicon then
       icon = util.k2assets().."/technologies/matter-"..params.k2baseicon..".png"
@@ -132,7 +132,7 @@ function util.k2matter(params)
         {
           {
             type = "technology",
-            name = params.k2matter.unlocked_by_technology,
+            name = params.k2matter.unlocked_by,
             icons =
             {
               {
@@ -163,11 +163,16 @@ function util.k2matter(params)
               },
               time = 45,
             },
-            localised_name = {"technology-name.k2-conversion", {"item-name."..params.k2matter.item_name}},
+            effects = {},
+            -- localised_name = {"technology-name.k2-conversion", {"item-name."..params.k2matter.item_name}},
           },
         })
   end
-  matter.make_recipes(params.k2matter)
+  if params.k2matter.only_deconversion then
+    matter.make_deconversion_recipe(params.k2matter)
+  else
+    matter.make_recipes(params.k2matter)
+  end
 end
 
 
@@ -1188,8 +1193,8 @@ function util.replace_ingredients_prior_to(tech, old, new, multiplier)
   end
   util.remove_prior_unlocks(tech, old)
   for i, recipe in pairs(data.raw.recipe) do
-    if (recipe.enabled and recipe.enabled ~= 'false')
-      and (not recipe.hidden or recipe.hidden == 'true') -- probably don't want to change hidden recipes
+    if (recipe.enabled and recipe.enabled ~= false)
+      and (not recipe.hidden or recipe.hidden == true) -- probably don't want to change hidden recipes
       and string.sub(recipe.name, 1, 3) ~= 'se-' -- have to exlude SE in general :(
     then
       -- log("BZZZ due to 'enabled' replacing " .. old .. " with " .. new .." in " .. recipe.name) -- Handy Debug :|
diff --git a/bzgold2/data.lua b/bzgold2/data.lua
index 727db4a..a109d88 100644
--- a/bzgold2/data.lua
+++ b/bzgold2/data.lua
@@ -21,8 +21,5 @@ require("compatibility/248k")
 
 local util = require("data-util");
 
-if util.se6() then
-end
-
 -- Must be last
 util.create_list()
diff --git a/bzgold2/info.json b/bzgold2/info.json
index 9cbe7ad..c209a62 100644
--- a/bzgold2/info.json
+++ b/bzgold2/info.json
@@ -1,6 +1,6 @@
 {
   "name": "bzgold2",
-  "version": "2.0.1",
+  "version": "2.0.3",
   "factorio_version": "2.0",
   "title": "Noble Metals",
   "description": "Adds silver, gold, platinum, palladium and more to the base game. Reworks processing units.",
diff --git a/bzgold2/matter.lua b/bzgold2/matter.lua
index 10ea30c..728e9da 100644
--- a/bzgold2/matter.lua
+++ b/bzgold2/matter.lua
@@ -1,30 +1,31 @@
 -- Matter recipes for Krastorio2
 if mods["Krastorio2"] then
-  local util = require("data-util");
+  local util = require("data-util")
 
-  util.k2matter({
-    k2matter = {
-      material = { type = "item", name = "gold-ore", amount = 30 },
-      item_name = "gold-ore",
-      matter_count = 30,
-      energy_required = 10,
-      need_stabilizer = false,
-      unlocked_by_technology = "gold-matter-processing",
-    },
-    k2baseicon = "stone",
-    icon = {icon = "__bzgold2__/graphics/icons/gold-ore.png", icon_size = 128, scale = 1}
-  })
-
-  util.k2matter({
-    k2matter = {
-      material = { type = "item", name = "silver-ore", amount = 8 },
-      item_name = "silver-ore",
-      matter_count = 8,
-      energy_required = 5,
-      need_stabilizer = false,
-      unlocked_by_technology = "silver-matter-processing",
-    },
-    k2baseicon = "stone",
-    icon = {icon = "__bzgold2__/graphics/icons/silver-ore.png", icon_size = 128, scale = 1}
-  })
+  if not data.raw.recipe["kr-gold-ore-to-matter"] then
+    util.k2matter({
+      k2matter = {
+        material = { type = "item", name = "gold-ore", amount = 30 },
+        item_name = "gold-ore",
+        matter_count = 30,
+        energy_required = 10,
+        needs_stabilizer = false,
+        unlocked_by = "gold-matter-processing",
+      },
+      icon = { icon = "__bzgold2__/graphics/icons/gold-ore.png", icon_size = 128, scale = 0.5 },
+    })
+  end
+  if settings.startup["bzgold-silver"].value then
+    util.k2matter({
+      k2matter = {
+        material = { type = "item", name = "silver-ore", amount = 8 },
+        item_name = "silver-ore",
+        matter_count = 8,
+        energy_required = 5,
+        needs_stabilizer = false,
+        unlocked_by = "silver-matter-processing",
+      },
+      icon = { icon = "__bzgold2__/graphics/icons/silver-ore.png", icon_size = 128, scale = 0.5 },
+    })
+  end
 end
diff --git a/bzgold2/prototypes/enriched-gold.lua b/bzgold2/prototypes/enriched-gold.lua
index 6190f58..a8d9734 100644
--- a/bzgold2/prototypes/enriched-gold.lua
+++ b/bzgold2/prototypes/enriched-gold.lua
@@ -1,4 +1,4 @@
-local util = require("data-util");
+local util = require("data-util")
 
 if mods.Krastorio2 then
 
@@ -92,7 +92,7 @@ data:extend({
 			{
 				icon = data.raw.item["gold-ore"].icon,
 				icon_size =	data.raw.item["gold-ore"].icon_size,
-				scale = 0.2,
+				scale = 0.2 * 64 / (data.raw.item["gold-ore"].icon_size or 64),
 				shift = {0, 4}
 			}
 		},
diff --git a/bzgold2/prototypes/enriched-silver.lua b/bzgold2/prototypes/enriched-silver.lua
index c5a8495..0914e19 100644
--- a/bzgold2/prototypes/enriched-silver.lua
+++ b/bzgold2/prototypes/enriched-silver.lua
@@ -1,4 +1,4 @@
-local util = require("data-util");
+local util = require("data-util")
 
 if mods.Krastorio2 and util.me.silver() then
 data:extend({
@@ -111,7 +111,7 @@ data:extend({
 			{
 				icon = data.raw.item["silver-ore"].icon,
 				icon_size =	data.raw.item["silver-ore"].icon_size,
-				scale = 0.2,
+				scale = 0.2 * 64 / (data.raw.item["silver-ore"].icon_size or 64),
 				shift = {0, 4}
 			}
 		},
diff --git a/bzgold2/prototypes/recipe-updates.lua b/bzgold2/prototypes/recipe-updates.lua
index 690c811..93cdc66 100644
--- a/bzgold2/prototypes/recipe-updates.lua
+++ b/bzgold2/prototypes/recipe-updates.lua
@@ -72,6 +72,7 @@ end
 if mods.Krastorio2 and util.me.silver() then
   local tc = futil.table.deepcopy(data.raw.recipe["kr-blank-tech-card"])
   tc.name = "blank-tech-card-silver"
+  tc.localised_name = { "item-name.blank-tech-card" }
   data:extend({tc})
   util.replace_ingredient("blank-tech-card-silver", "copper-cable", "silver-wire")
   local amt = util.get_amount("kr-blank-tech-card")
diff --git a/bzgold2/prototypes/rich-copper.lua b/bzgold2/prototypes/rich-copper.lua
index 1402ec7..8406cbf 100644
--- a/bzgold2/prototypes/rich-copper.lua
+++ b/bzgold2/prototypes/rich-copper.lua
@@ -4,154 +4,153 @@ local futil = require("util");
 local util = require("data-util");
 
 if util.me.platinum() or util.me.palladium() then
-if mods.Krastorio2 then
-  -- no rich copper
-  local rm = futil.table.deepcopy(data.raw.recipe["kr-rare-metals"])
-  rm.name = "rare-metals-1"
-  data:extend({rm})
-  util.add_unlock("platinum-processing", "rare-metals-1")
-  util.add_unlock("palladium-processing", "rare-metals-1")
-  util.add_icon("rare-metals-1", {icon = "__bzgold2__/graphics/icons/platinum-powder.png",
-                                  icon_size = 64, scale = 0.25, shift = {-8,8}})
+  if mods.Krastorio2 then
+    -- no rich copper
+    local rm = futil.table.deepcopy(data.raw.recipe["kr-rare-metals"])
+    rm.name = "rare-metals-1"
+    data:extend({ rm })
+    util.add_unlock("platinum-processing", "rare-metals-1")
+    util.add_unlock("palladium-processing", "rare-metals-1")
+    util.add_icon("rare-metals-1", { icon = "__bzgold2__/graphics/icons/platinum-powder.png",
+                                     icon_size = 64, scale = 0.25, shift = { -8, 8 } })
 
-  util.multiply_recipe("kr-rare-metals", 2)
-  util.multiply_recipe("rare-metals-1", 2)
-  util.multiply_recipe("rare-metals-2", 2)
+    util.multiply_recipe("kr-rare-metals", 2)
+    util.multiply_recipe("rare-metals-1", 2)
+    util.multiply_recipe("rare-metals-2", 2)
 
-  util.set_main_product("kr-rare-metals", "kr-rare-metals")
-  util.set_product_amount("kr-rare-metals", "kr-rare-metals", 6)
-  util.set_main_product("rare-metals-1", "kr-rare-metals")
-  util.set_main_product("rare-metals-2", "kr-rare-metals")
+    util.set_main_product("kr-rare-metals", "kr-rare-metals")
+    util.set_product_amount("kr-rare-metals", "kr-rare-metals", 6)
+    util.set_main_product("rare-metals-1", "kr-rare-metals")
+    util.set_main_product("rare-metals-2", "kr-rare-metals")
 
-
-  if util.me.platinum() and util.me.palladium() then
-    util.replace_some_product("rare-metals-1", "kr-rare-metals", 2, "platinum-powder",  2, {force=true})
-    util.replace_some_product("rare-metals-1", "kr-rare-metals", 2, "palladium-powder", 2, {force=true})
-    util.replace_some_product("rare-metals-2", "kr-rare-metals", 3, "platinum-powder",  3, {force=true})
-    util.replace_some_product("rare-metals-2", "kr-rare-metals", 3, "palladium-powder", 3, {force=true})
-  elseif util.me.platinum() then
-    util.replace_some_product("rare-metals-1", "kr-rare-metals", 3, "platinum-powder",  4, {force=true})
-    util.replace_some_product("rare-metals-2", "kr-rare-metals", 6, "platinum-powder",  6, {force=true})
-  elseif util.me.palladium() then
-    util.replace_some_product("rare-metals-1", "kr-rare-metals", 3, "palladium-powder", 4, {force=true})
-    util.replace_some_product("rare-metals-2", "kr-rare-metals", 6, "palladium-powder", 6, {force=true})
-  end
-else
-
-local results = {}
-if util.me.silver() and util.me.platinum() and util.me.palladium() then
-  results = {
-    {type="item", name="copper-plate", amount=1},
-    {type="item", name="silver-ore", amount=1, probability=0.5},
-    {type="item", name="platinum-powder", amount=1, probability=0.25},
-    {type="item", name="palladium-powder", amount=1, probability=0.25},
-  }
-elseif util.me.silver() and util.me.platinum() then
-  results = {
-    {type="item", name="copper-plate", amount=1},
-    {type="item", name="silver-ore", amount=1, probability=0.67},
-    {type="item", name="platinum-powder", amount=1, probability=0.33},
-  }
-elseif util.me.silver() and util.me.palladium() then
-  results = {
-    {type="item", name="copper-plate", amount=1},
-    {type="item", name="silver-ore", amount=1, probability=0.67},
-    {type="item", name="palladium-powder", amount=1, probability=0.33},
-  }
-elseif util.me.platinum() and util.me.palladium() then
-  results = {
-    {type="item", name="copper-plate", amount=1},
-    {type="item", name="platinum-powder", amount=1, probability=0.5},
-    {type="item", name="palladium-powder", amount=1, probability=0.5},
-  }
-elseif util.me.platinum() then
-  results = {
-    {type="item", name="copper-plate", amount=2, probability = 0.75},
-    {type="item", name="platinum-powder", amount=1, probability=0.5},
-  }
-elseif util.me.palladium() then
-  results = {
-    {type="item", name="copper-plate", amount=2, probability = 0.75},
-    {type="item", name="palladium-powder", amount=1, probability=0.5},
-  }
-else -- should never happen
-  results = {
-    {type="item", name="copper-plate", amount=2},
-  }
-end
- 
-
-if data.raw.resource["copper-ore"] then
-  if mods["space-exploration"] then
-    -- decrease richness of copper a bit (ok if it stacks with aluminum)
-    data.raw.resource["copper-ore"].autoplace.richness_expression =
-      data.raw.resource["copper-ore"].autoplace.richness_expression .. "*(3/4)"
+    if util.me.platinum() and util.me.palladium() then
+      util.replace_some_product("rare-metals-1", "kr-rare-metals", 2, "platinum-powder", 2, { force = true })
+      util.replace_some_product("rare-metals-1", "kr-rare-metals", 2, "palladium-powder", 2, { force = true })
+      util.replace_some_product("rare-metals-2", "kr-rare-metals", 3, "platinum-powder", 3, { force = true })
+      util.replace_some_product("rare-metals-2", "kr-rare-metals", 3, "palladium-powder", 3, { force = true })
+    elseif util.me.platinum() then
+      util.replace_some_product("rare-metals-1", "kr-rare-metals", 3, "platinum-powder", 4, { force = true })
+      util.replace_some_product("rare-metals-2", "kr-rare-metals", 6, "platinum-powder", 6, { force = true })
+    elseif util.me.palladium() then
+      util.replace_some_product("rare-metals-1", "kr-rare-metals", 3, "palladium-powder", 4, { force = true })
+      util.replace_some_product("rare-metals-2", "kr-rare-metals", 6, "palladium-powder", 6, { force = true })
+    end
   else
-    log("Replacing vanilla copper-ore autoplace")
-    local resource_autoplace = require('resource-autoplace');
-    data.raw.resource["copper-ore"].autoplace = resource_autoplace.resource_autoplace_settings{
-      name = "copper-ore",
-      order = "b",
-      base_density = mods.bzaluminum2 and 3 or 4,
-      has_starting_area_placement = true,
-      regular_rq_factor_multiplier = 1.1,
-      starting_rq_factor_multiplier = 1.1,
-      candidate_spot_count = 22,
-    }
-  end
-end
 
-if util.se6() then
-  data:extend({
-    {
-      type = "autoplace-control",
-      category = "resource",
-      name = "rich-copper-ore",
-      richness = true,
-      order = "zzzzzzzzzzz"
-    },
-  })
-end
+    local results = {}
+    if util.me.silver() and util.me.platinum() and util.me.palladium() then
+      results = {
+        { type = "item", name = "copper-plate", amount = 1 },
+        { type = "item", name = "silver-ore", amount = 1, probability = 0.5 },
+        { type = "item", name = "platinum-powder", amount = 1, probability = 0.25 },
+        { type = "item", name = "palladium-powder", amount = 1, probability = 0.25 },
+      }
+    elseif util.me.silver() and util.me.platinum() then
+      results = {
+        { type = "item", name = "copper-plate", amount = 1 },
+        { type = "item", name = "silver-ore", amount = 1, probability = 0.67 },
+        { type = "item", name = "platinum-powder", amount = 1, probability = 0.33 },
+      }
+    elseif util.me.silver() and util.me.palladium() then
+      results = {
+        { type = "item", name = "copper-plate", amount = 1 },
+        { type = "item", name = "silver-ore", amount = 1, probability = 0.67 },
+        { type = "item", name = "palladium-powder", amount = 1, probability = 0.33 },
+      }
+    elseif util.me.platinum() and util.me.palladium() then
+      results = {
+        { type = "item", name = "copper-plate", amount = 1 },
+        { type = "item", name = "platinum-powder", amount = 1, probability = 0.5 },
+        { type = "item", name = "palladium-powder", amount = 1, probability = 0.5 },
+      }
+    elseif util.me.platinum() then
+      results = {
+        { type = "item", name = "copper-plate", amount = 2, probability = 0.75 },
+        { type = "item", name = "platinum-powder", amount = 1, probability = 0.5 },
+      }
+    elseif util.me.palladium() then
+      results = {
+        { type = "item", name = "copper-plate", amount = 2, probability = 0.75 },
+        { type = "item", name = "palladium-powder", amount = 1, probability = 0.5 },
+      }
+    else
+      -- should never happen
+      results = {
+        { type = "item", name = "copper-plate", amount = 2 },
+      }
+    end
 
-data:extend({
-	{
-    type = "resource",
-    name = "rich-copper-ore",
-    icon = "__bzgold2__/graphics/icons/rich-copper-ore.png",
-    icon_size = 64, icon_mipmaps = 4,
-    flags = {"placeable-neutral"},
-    order="a-b-a",
-    map_color = {r=0.9, g=0.5, b=0.4},
-    tree_removal_probability = 0.7,
-    tree_removal_max_distance = 32 * 32,
-    minable =
-    {
-      hardness = 1,
-      mining_particle = "copper-ore-particle",
-      mining_time = 1,
-      fluid_amount = 1,
-      required_fluid = "water",
-      result = "rich-copper-ore"
-    },
-    collision_box = {{ -0.1, -0.1}, {0.1, 0.1}},
-    selection_box = {{ -0.5, -0.5}, {0.5, 0.5}},
+    if data.raw.resource["copper-ore"] then
+      if mods["space-exploration"] then
+        -- decrease richness of copper a bit (ok if it stacks with aluminum)
+        data.raw.resource["copper-ore"].autoplace.richness_expression = data.raw.resource["copper-ore"].autoplace.richness_expression .. "*(3/4)"
+      else
+        log("Replacing vanilla copper-ore autoplace")
+        local resource_autoplace = require('resource-autoplace');
+        data.raw.resource["copper-ore"].autoplace = resource_autoplace.resource_autoplace_settings {
+          name = "copper-ore",
+          order = "b",
+          base_density = mods.bzaluminum2 and 3 or 4,
+          has_starting_area_placement = true,
+          regular_rq_factor_multiplier = 1.1,
+          starting_rq_factor_multiplier = 1.1,
+          candidate_spot_count = 22,
+        }
+      end
+    end
 
-    autoplace = resource_autoplace.resource_autoplace_settings{
-      name = "rich-copper-ore",
-      autoplace_control_name = util.se6() and "rich-copper-ore" or "copper-ore",
-      order = "b-z",
-      base_density = 4,
-      base_spots_per_km2 = 1,
-      has_starting_area_placement = false,
-      regular_rq_factor_multiplier = 1,
-      starting_rq_factor_multiplier = 1,
-    },
-
-    stage_counts = {15000, 9500, 5500, 2900, 1300, 400, 150, 80},
-        stages =
+    if util.se6() then
+      data.raw.planet.nauvis.map_gen_settings.autoplace_controls["rich-copper-ore"] = {}
+      data:extend({
         {
-          sheet =
-          {
+          type = "autoplace-control",
+          category = "resource",
+          name = "rich-copper-ore",
+          richness = true,
+          order = "zzzzzzzzzzz"
+        },
+      })
+    end
+
+    data.raw.planet.nauvis.map_gen_settings.autoplace_settings.entity.settings["rich-copper-ore"] = {}
+    resource_autoplace.initialize_patch_set("rich-copper-ore", true)
+
+    data:extend({
+      {
+        type = "resource",
+        name = "rich-copper-ore",
+        icon = "__bzgold2__/graphics/icons/rich-copper-ore.png",
+        icon_size = 64, icon_mipmaps = 4,
+        flags = { "placeable-neutral" },
+        order = "a-b-a",
+        map_color = { r = 0.9, g = 0.5, b = 0.4 },
+        tree_removal_probability = 0.7,
+        tree_removal_max_distance = 32 * 32,
+        minable = {
+          hardness = 1,
+          mining_particle = "copper-ore-particle",
+          mining_time = 1,
+          fluid_amount = 1,
+          required_fluid = "water",
+          result = "rich-copper-ore"
+        },
+        collision_box = { { -0.1, -0.1 }, { 0.1, 0.1 } },
+        selection_box = { { -0.5, -0.5 }, { 0.5, 0.5 } },
+
+        autoplace = resource_autoplace.resource_autoplace_settings {
+          name = "rich-copper-ore",
+          autoplace_control_name = util.se6() and "rich-copper-ore" or "copper-ore",
+          order = "b-z",
+          base_density = 4,
+          base_spots_per_km2 = 1,
+          has_starting_area_placement = false,
+          regular_rq_factor_multiplier = 1,
+          starting_rq_factor_multiplier = 1,
+        },
+
+        stage_counts = { 15000, 9500, 5500, 2900, 1300, 400, 150, 80 },
+        stages = {
+          sheet = {
             filename = "__bzgold2__/graphics/entity/ores/hr-rich-copper-ore.png",
             priority = "extra-high",
             size = 128,
@@ -159,57 +158,56 @@ data:extend({
             variation_count = 8,
             scale = 0.5
           }
-    },
-  },
-  {
-      type = "item",
-      name = "rich-copper-ore",
-      icon_size = 64, icon_mipmaps=4,
-      icon = "__bzgold2__/graphics/icons/rich-copper-ore.png",
-      pictures = {
-        {filename="__bzgold2__/graphics/icons/rich-copper-ore.png", size=64, scale=0.5},
-        {filename="__bzgold2__/graphics/icons/rich-copper-ore-1.png", size=64, scale=0.5},
-        {filename="__bzgold2__/graphics/icons/rich-copper-ore-2.png", size=64, scale=0.5},
-        {filename="__bzgold2__/graphics/icons/rich-copper-ore-3.png", size=64, scale=0.5},
+        },
       },
-      subgroup = "raw-resource",
-      order = "t-c-a",
-      stack_size = 50
-  },
-})
+      {
+        type = "item",
+        name = "rich-copper-ore",
+        icon_size = 64, icon_mipmaps = 4,
+        icon = "__bzgold2__/graphics/icons/rich-copper-ore.png",
+        pictures = {
+          { filename = "__bzgold2__/graphics/icons/rich-copper-ore.png", size = 64, scale = 0.5 },
+          { filename = "__bzgold2__/graphics/icons/rich-copper-ore-1.png", size = 64, scale = 0.5 },
+          { filename = "__bzgold2__/graphics/icons/rich-copper-ore-2.png", size = 64, scale = 0.5 },
+          { filename = "__bzgold2__/graphics/icons/rich-copper-ore-3.png", size = 64, scale = 0.5 },
+        },
+        subgroup = "raw-resource",
+        order = "t-c-a",
+        stack_size = 50
+      },
+    })
 
+    data:extend({
+      {
+        type = "recipe",
+        name = "rich-copper",
+        localised_name = { "item-name.copper-plate" },
+        category = "smelting",
+        main_product = "copper-plate",
+        order = "d[copper-plate]",
+        enabled = false,
+        icons = {
+          { icon = "__base__/graphics/icons/copper-plate.png", icon_size = 64, icon_mipmaps = 4 },
+          { icon = "__bzgold2__/graphics/icons/rich-copper-ore.png", icon_size = 64, scale = 0.25, shift = { -8, 8 } },
+          -- {icon = "__bzgold__/graphics/icons/silver-ore.png", icon_size = 128, scale=0.125, shift = {8,8}},
+          -- {icon = "__bzgold__/graphics/icons/platinum-powder.png", icon_size = 64, scale=0.25, shift = {8,-8}},
+          -- {icon = "__bzgold__/graphics/icons/palladium-powder.png", icon_size = 64, scale=0.25, shift = {-8,-8}},
+        },
+        energy_required = 6.4,
+        ingredients = { { type = "item", name = "rich-copper-ore", amount = 2 } },
+        results = results,
+      },
+    })
+    util.add_unlock("platinum-processing", "rich-copper")
+    util.add_unlock("palladium-processing", "rich-copper")
 
-data:extend({
-  {
-    type = "recipe",
-    name = "rich-copper",
-    localised_name = {"item-name.copper-plate"},
-    category = "smelting",
-    main_product = "copper-plate",
-    order = "d[copper-plate]",
-    enabled = false,
-    icons = {
-      {icon = "__base__/graphics/icons/copper-plate.png", icon_size = 64, icon_mipmaps=4},
-      {icon = "__bzgold2__/graphics/icons/rich-copper-ore.png", icon_size = 64, scale=0.25, shift = {-8,8}},
-      -- {icon = "__bzgold__/graphics/icons/silver-ore.png", icon_size = 128, scale=0.125, shift = {8,8}},
-      -- {icon = "__bzgold__/graphics/icons/platinum-powder.png", icon_size = 64, scale=0.25, shift = {8,-8}},
-      -- {icon = "__bzgold__/graphics/icons/palladium-powder.png", icon_size = 64, scale=0.25, shift = {-8,-8}},
-    },
-    energy_required = 6.4,
-    ingredients = {{type="item", name="rich-copper-ore", amount=2}},
-    results = results,
-  },
-})
-util.add_unlock("platinum-processing", "rich-copper")
-util.add_unlock("palladium-processing", "rich-copper")
-
-if util.se6() then
-  se_resources["rich-copper-ore"] = {
-    order = "b-z-c",
-    has_starting_area_placement = false,
-    base_density = 4,
-    base_spots_per_km2 = 1,
-  }
-end
-end
+    if util.se6() then
+      se_resources["rich-copper-ore"] = {
+        order = "b-z-c",
+        has_starting_area_placement = false,
+        base_density = 4,
+        base_spots_per_km2 = 1,
+      }
+    end
+  end
 end
diff --git a/bzgold2/prototypes/tech-updates.lua b/bzgold2/prototypes/tech-updates.lua
index ad6b5ab..a5a738c 100644
--- a/bzgold2/prototypes/tech-updates.lua
+++ b/bzgold2/prototypes/tech-updates.lua
@@ -21,6 +21,8 @@ end
 util.add_unlock("processing-unit", "cpu")
 util.add_unlock("processing-unit", "mainboard")
 
-util.add_prerequisite("coal-liquefaction", "catalysis")
-util.remove_prerequisite("coal-liquefaction", "production-science-pack")
-util.remove_prerequisite("coal-liquefaction", "advanced-oil-processing")
+if settings.startup["bzgold-catalysis"].value == true then
+  util.add_prerequisite("coal-liquefaction", "catalysis")
+  util.remove_prerequisite("coal-liquefaction", "production-science-pack")
+  util.remove_prerequisite("coal-liquefaction", "advanced-oil-processing")
+end