diff --git a/lignumis/prototypes/content/quality-assembler-updates.lua b/lignumis/prototypes/content/quality-assembler-updates.lua
new file mode 100644
index 0000000..8ec7a30
--- /dev/null
+++ b/lignumis/prototypes/content/quality-assembler-updates.lua
@@ -0,0 +1,10 @@
+local function qa(recipeName)
+    local recipe = data.raw.recipe[recipeName]
+    if recipe then
+        recipe.additional_categories = recipe.additional_categories or {}
+        table.insert(recipe.additional_categories, "quality-assembling")
+    end
+end
+
+-- Pelagos
+qa("calciner")
\ No newline at end of file
diff --git a/lignumis/prototypes/content/quality-assembler.lua b/lignumis/prototypes/content/quality-assembler.lua
index 4f476d6..4cfff5d 100644
--- a/lignumis/prototypes/content/quality-assembler.lua
+++ b/lignumis/prototypes/content/quality-assembler.lua
@@ -479,8 +479,10 @@ Technology:new(name)
 
 local function qa(recipeName)
     local recipe = data.raw.recipe[recipeName]
-    recipe.additional_categories = recipe.additional_categories or {}
-    table.insert(recipe.additional_categories, "quality-assembling")
+    if recipe then
+        recipe.additional_categories = recipe.additional_categories or {}
+        table.insert(recipe.additional_categories, "quality-assembling")
+    end
 end
 
 -- Lignumis
diff --git a/lignumis/prototypes/content/updates.lua b/lignumis/prototypes/content/updates.lua
index 7087806..67be3da 100644
--- a/lignumis/prototypes/content/updates.lua
+++ b/lignumis/prototypes/content/updates.lua
@@ -1,2 +1,3 @@
 require("fuel-category-updates")
-require("lignumis/planet-updates")
\ No newline at end of file
+require("lignumis/planet-updates")
+require("quality-assembler-updates")
\ No newline at end of file