diff --git a/product/ERP5Type/PropertySheet/BaseType.py b/product/ERP5Type/PropertySheet/BaseType.py
index 2f7d74fcbf2ceb77fa2533cf97d8e211b3183d12..da289e9b5da8a586904cce69b4758cb19c6dfda0 100644
--- a/product/ERP5Type/PropertySheet/BaseType.py
+++ b/product/ERP5Type/PropertySheet/BaseType.py
@@ -49,12 +49,12 @@ class BaseType:
         , 'mode':       'w'
         , 'label':      'Document class the Portal Type inherits from'
          },
-        { 'id':         'type_mixin_list'
+        { 'id':         'type_mixin'
         , 'type':       'lines'
         , 'mode':       'w'
         , 'label':      'List of Mixins that are attached to the Portal Type'
          },
-        { 'id':         'type_interface_list'
+        { 'id':         'type_interface'
         , 'type':       'lines'
         , 'mode':       'w'
         , 'label':      'List of Interfaces that the Portal Type implements'