--- a/server/migractions.py	Tue Jul 17 17:16:28 2012 +0200
+++ b/server/migractions.py	Tue Jul 17 12:24:46 2012 +0200
@@ -1321,7 +1321,7 @@
         except Exception:
             self.cmd_create_entity('CWProperty', pkey=unicode(pkey), value=value)
         else:
-            prop.set_attributes(value=value)
+            prop.cw_set(value=value)
 
     # other data migration commands ###########################################