diff --git a/lib/common.rb b/lib/common.rb
index 652e140b5..650f053c9 100644
--- a/lib/common.rb
+++ b/lib/common.rb
@@ -62,7 +62,7 @@ module Diaspora
             xml = self.class.build_xml_for([self])
             @@queue.add_post_request( recipients, xml )
 
-            @@queue.add_hub_notification('http://pubsubhubbub.appspot.com/publish/', User.owner.url + self.class.to_s.pluralize.underscore )
+            @@queue.add_hub_notification('http://pubsubhubbub.appspot.com/publish/', User.owner.url + self.class.to_s.pluralize.underscore +'.atom' )
             
             @@queue.process
           end