diff --git a/src/sugar/bundle/bundle.py b/src/sugar/bundle/bundle.py
index e9bd9f80..c0138e71 100644
--- a/src/sugar/bundle/bundle.py
+++ b/src/sugar/bundle/bundle.py
@@ -41,7 +41,7 @@ class RegistrationException(Exception):
 class MalformedBundleException(Exception):
     pass
 
-class Bundle:
+class Bundle(object):
     """A Sugar activity, content module, etc.
     
     The bundle itself may be either a zip file or a directory