diff --git a/bzaluminum2/aluminum-burner-phase.lua b/bzaluminum2/aluminum-burner-phase.lua
index 793679e..4984502 100644
--- a/bzaluminum2/aluminum-burner-phase.lua
+++ b/bzaluminum2/aluminum-burner-phase.lua
@@ -20,6 +20,7 @@ if not mods.Krastorio2 and not mods["aai-industry"] then
   util.remove_recipe_effect("automation", "long-handed-inserter")
   util.set_enabled("electronic-circuit", false)
   util.set_enabled("inserter", false)
+  util.add_prerequisite("automation-science-pack", "copper-processing")
   util.remove_prerequisite("automation-science-pack", "electronics")
   util.add_prerequisite("logistic-science-pack", "electronics")
   util.add_effect("steam-power", { type = "unlock-recipe", recipe = "lab" })
@@ -49,8 +50,6 @@ if mods.Krastorio2 then
   end
   util.remove_prerequisite("automation", "smelting") -- Bitumen mod
 
-  util.add_prerequisite("automation-science-pack", "copper-processing")
-
   util.remove_prerequisite("logistic-science-pack", "automation-science-pack")
   util.add_prerequisite("logistic-science-pack", "electronics")
 
@@ -80,8 +79,6 @@ if mods["aai-industry"] then
 end
 
 if mods["aai-industry"] and mods.Krastorio2 then
-  table.insert(data.raw.technology["copper-processing"].unit.ingredients, { "automation-science-pack", 1 })
-  util.remove_prerequisite("automation-science-pack", "copper-processing")
   util.remove_prerequisite("copper-processing", "automation")
   util.add_prerequisite("copper-processing", "electricity")
 
diff --git a/bzaluminum2/changelog.txt b/bzaluminum2/changelog.txt
index c22d00e..285b245 100644
--- a/bzaluminum2/changelog.txt
+++ b/bzaluminum2/changelog.txt
@@ -1,9 +1,4 @@
 ---------------------------------------------------------------------------------------------------
-Version: 2.0.5
-Date: 05.11.2025
-  Bug Fixes:
-    - Fix early game progression (once more)
----------------------------------------------------------------------------------------------------
 Version: 2.0.4
 Date: 05.11.2025
   Bug Fixes:
diff --git a/bzaluminum2/info.json b/bzaluminum2/info.json
index ef58de2..b5a5435 100644
--- a/bzaluminum2/info.json
+++ b/bzaluminum2/info.json
@@ -1,6 +1,6 @@
 {
   "name": "bzaluminum2",
-  "version": "2.0.5",
+  "version": "2.0.4",
   "factorio_version": "2.0",
   "title": "Aluminum",
   "description": "Adds aluminum, alumina, cables, alloys and more to the game.",