diff --git a/changelog.txt b/changelog.txt
index 04e492e..856925a 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -3,6 +3,7 @@ Version: 3.1.3
 Date: ????
   Changes:
     - Updated nexelit floating fluid wagon pump connections to more accurately fit the graphics. Resolves https://github.com/pyanodon/pybugreports/issues/1532
+    - Fixed that urea2 was not added to Auog 2 when alienlife was disabled. Resolves https://github.com/pyanodon/pybugreports/issues/1547
 ---------------------------------------------------------------------------------------------------
 Version: 3.1.2
 Date: 2026-07-09
diff --git a/prototypes/recipes/recipes.lua b/prototypes/recipes/recipes.lua
index 968a132..46515d1 100644
--- a/prototypes/recipes/recipes.lua
+++ b/prototypes/recipes/recipes.lua
@@ -198,7 +198,7 @@ RECIPE {
         {type = "item", name = "urea", amount = 25}
     },
     main_product = "urea"
-}
+}:add_unlock("auog-2")
 
 RECIPE {
     type = "recipe",
diff --git a/prototypes/updates/pyalienlife-updates.lua b/prototypes/updates/pyalienlife-updates.lua
index d61d4a8..ff7f4d2 100644
--- a/prototypes/updates/pyalienlife-updates.lua
+++ b/prototypes/updates/pyalienlife-updates.lua
@@ -8,7 +8,6 @@ TECHNOLOGY("biopolymer"):remove_prereq("biotech")
 -- RECIPE CHANGES
 RECIPE("phosphoric-acid3"):replace_category("chemistry", "bio-reactor")
 RECIPE("formica"):replace_ingredient("creosote", {type = "item", name = "saps", amount = 10})
-RECIPE("urea2"):add_unlock("auog-2")
 
 py.mod_data.farm_buildings["cadaveric-arum"] = {default_module = "cadaveric-arum", domain = "plant"}
 py.mod_data.farm_buildings["antelope-enclosure"] = {default_module = "antelope", domain = "animal"}