diff --git a/bzsilicon2/recipe-updates.lua b/bzsilicon2/recipe-updates.lua
index 73db886..1bbd5d8 100644
--- a/bzsilicon2/recipe-updates.lua
+++ b/bzsilicon2/recipe-updates.lua
@@ -219,14 +219,14 @@ if util.k2() then
   util.add_ingredient("kr-advanced-lab", "optical-fiber", 10)
   util.add_ingredient("kr-ai-core", "optical-fiber", 2)
   
-  --remove silicone from engint unit, add to electric engine
-  util.remove_ingredient("engine-unit", "silicone")
-  util.remove_ingredient("engine-unit", "pipe")
-  util.add_ingredient("engine-unit", "pipe", 2)
-  util.add_ingredient("electric-engine-unit", "silicone", 1)
-  util.add_prerequisite(util.me.silicon_processing, "silica-processing")
+  if util.me.more_intermediates() then
+    --remove silicone from engine unit, add to electric engine
+    util.remove_ingredient("engine-unit", "silicone")
+    util.remove_ingredient("engine-unit", "pipe")
+    util.add_ingredient("engine-unit", "pipe", 2)
+    util.add_ingredient("electric-engine-unit", "silicone", 1)
+    util.add_prerequisite(util.me.silicon_processing, "silica-processing")
 
-  if util.me.more_intermediates() then 
     util.add_effect(util.me.silicon_processing, {type = "unlock-recipe", recipe="silicon-wafer"})
     util.remove_ingredient("kr-electronic-components", silicon)
     util.add_ingredient("kr-electronic-components", "silicon-wafer", 2)