diff --git a/src/groupchat_control.py b/src/groupchat_control.py
index 5c5a08ef2..00d1774ff 100644
--- a/src/groupchat_control.py
+++ b/src/groupchat_control.py
@@ -150,6 +150,7 @@ class PrivateChatControl(ChatControl):
         self.TYPE_ID = 'pm'
 
     def shutdown(self):
+        super(PrivateChatControl, self).shutdown()
         gajim.ged.remove_event_handler('caps-received', ged.GUI1,
             self._nec_caps_received)