diff --git a/repository/Grease-Pharo120-Core.package/GRPharoPlatform.class/instance/defineClass.superclassName.category.forRBModel..st b/repository/Grease-Pharo120-Core.package/GRPharoPlatform.class/instance/defineClass.superclassName.category.forRBModel..st
index 492a8cf1..7165c10a 100644
--- a/repository/Grease-Pharo120-Core.package/GRPharoPlatform.class/instance/defineClass.superclassName.category.forRBModel..st
+++ b/repository/Grease-Pharo120-Core.package/GRPharoPlatform.class/instance/defineClass.superclassName.category.forRBModel..st
@@ -4,4 +4,4 @@ defineClass: aClassSymbol superclassName: aSuperSymbol category: aString forRBMo
 		builder
 			name: aClassSymbol;
 			superclassName: aSuperSymbol;
-			category: self category ]
\ No newline at end of file
+			category: aString ]
\ No newline at end of file