diff --git a/product/ERP5Type/RoleInformation.py b/product/ERP5Type/RoleInformation.py
index 806dc9a3f6210fc709991b68e59eb6f03ec32a84..8e699ca5eb05df1affd3fb364a615238becbdc65 100755
--- a/product/ERP5Type/RoleInformation.py
+++ b/product/ERP5Type/RoleInformation.py
@@ -146,7 +146,7 @@ class RoleInformation( SimpleItem ):
                              , condition=self.getCondition()
                              , priority =self.priority
                              , base_category=self.base_category
-                             , base_category_script=self.base_category_script
+                             , base_category_script=getattr(self, 'base_category_script', '')
                              )
 
 InitializeClass( RoleInformation )