--- a/vregistry.py	Wed Aug 12 13:30:45 2009 +0200
+++ b/vregistry.py	Thu Aug 13 13:12:55 2009 +0200
@@ -298,7 +298,7 @@
         except AttributeError:
             vname = obj.__class__.__name__
         self.debug('registered appobject %s in registry %s with id %s',
-                   vname, registryname, oid)
+                   vname, registryname, oid or obj.id)
         self._loadedmods[obj.__module__]['%s.%s' % (obj.__module__, oid)] = obj
 
     def unregister(self, obj, registryname=None):