--- a/browser_side/contact_group.py	Tue Mar 25 16:09:12 2014 +0100
+++ b/browser_side/contact_group.py	Wed Mar 26 17:34:01 2014 +0100
@@ -37,7 +37,7 @@
     def __init__(self, parent, keys_dict, contact_list, offsets, style):
         ListManager.__init__(self, parent, keys_dict, contact_list, offsets, style)
         self.registerPopupMenuPanel(entries={"Remove group": {}},
-                                    callback=lambda sender, key: Timer(5, lambda: self.removeContactKey(sender, key)))
+                                    callback=lambda sender, key: Timer(5, lambda timer: self.removeContactKey(sender, key)))
 
     def removeContactKey(self, sender, key):
         key = sender.getText()