diff --git a/GasGasGases2/changelog.txt b/GasGasGases2/changelog.txt
index 981099b..602b35e 100644
--- a/GasGasGases2/changelog.txt
+++ b/GasGasGases2/changelog.txt
@@ -1,11 +1,4 @@
 ---------------------------------------------------------------------------------------------------
-Version: 2.0.3
-Date: 02.11.2025
-  Bug Fixes:
-    - Fix name of argon extraction recipe
-    - Argon extraction recipe uses basic-chemistry crafting category
-    - Change "optics" to "lamp" to respect the Factorio 2.0 renaming
----------------------------------------------------------------------------------------------------
 Version: 2.0.2
 Date: 21.10.2025
   Changes:
diff --git a/GasGasGases2/data-util.lua b/GasGasGases2/data-util.lua
index a20f4b8..81def01 100644
--- a/GasGasGases2/data-util.lua
+++ b/GasGasGases2/data-util.lua
@@ -855,8 +855,8 @@ 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/GasGasGases2/info.json b/GasGasGases2/info.json
index 9392ab6..957dd5a 100644
--- a/GasGasGases2/info.json
+++ b/GasGasGases2/info.json
@@ -1,6 +1,6 @@
 {
   "name": "GasGasGases2",
-  "version": "2.0.3",
+  "version": "2.0.2",
   "factorio_version": "2.0",
   "title": "GasGasGases",
   "description": "This mod is inspired by Brevven's BZ mods and adds the 6 noble gases plus uses for them.",
diff --git a/GasGasGases2/prototypes/recipes.lua b/GasGasGases2/prototypes/recipes.lua
index 830f7fc..b1638d0 100644
--- a/GasGasGases2/prototypes/recipes.lua
+++ b/GasGasGases2/prototypes/recipes.lua
@@ -294,8 +294,7 @@ if mods["bzgas2"] then
     {
       type = "recipe",
       name = "argon-extraction",
-      localised_name = { "fluid-name.argon" },
-      category = data.raw["recipe-category"]["basic-chemistry"] and "basic-chemistry" or "chemistry",
+      category = "chemistry",
       icons = (mods["Krastorio2"] and
         {
           { icon = "__GasGasGases2__/graphics/icons/argon.png", icon_size = 64},
diff --git a/GasGasGases2/prototypes/technology.lua b/GasGasGases2/prototypes/technology.lua
index e47e981..027d4d9 100644
--- a/GasGasGases2/prototypes/technology.lua
+++ b/GasGasGases2/prototypes/technology.lua
@@ -33,5 +33,5 @@ data:extend(
 })
 util.add_prerequisite("chemical-science-pack", "air-liquefaction")
 if not mods["bzgas2"] then
-  util.add_prerequisite("lamp", "air-liquefaction")
+  util.add_prerequisite("optics", "air-liquefaction")
 end
\ No newline at end of file