diff -r 92ead039d3d0 -r 94cc7cad3d2d cwvreg.py
--- a/cwvreg.py	Mon Nov 23 14:13:53 2009 +0100
+++ b/cwvreg.py	Thu Dec 03 17:17:43 2009 +0100
@@ -499,7 +499,7 @@
         for key, val in propvalues:
             try:
                 values[key] = self.typed_value(key, val)
-            except ValueError:
+            except ValueError, ex:
                 self.warning('%s (you should probably delete that property '
                              'from the database)', ex)
             except UnknownProperty, ex: