diff --git a/1.3/Defs/RecipeDefs/Recipes_Production.xml b/1.3/Defs/RecipeDefs/Recipes_Production.xml
index a091f8c..d7f6f10 100644
--- a/1.3/Defs/RecipeDefs/Recipes_Production.xml
+++ b/1.3/Defs/RecipeDefs/Recipes_Production.xml
@@ -130,6 +130,6 @@
     <skillRequirements>
     </skillRequirements>
     <workSkill>Crafting</workSkill>
-    <researchPrerequisite>PNRP_Production</researchPrerequisite>
+    <researchPrerequisite></researchPrerequisite>
   </RecipeDef>
 </Defs>
\ No newline at end of file