--- a/src/plugins/plugin_xep_0045.py	Wed Feb 20 20:08:15 2013 +0100
+++ b/src/plugins/plugin_xep_0045.py	Wed Feb 20 20:36:09 2013 +0100
@@ -140,7 +140,7 @@
             raise exceptions.UnknownProfileError("Unknown or disconnected profile")
         if room_jid.userhost() not in self.clients[profile].joined_rooms:
             raise UnknownRoom("This room has not been joined")
-        return self.clients[profile].joined_rooms[room_jid.userhost()].inRoster(nick)
+        return self.clients[profile].joined_rooms[room_jid.userhost()].inRoster(muc.User(nick))
 
     def getRoomsSubjects(self, profile_key='@DEFAULT@'):
         """Return received subjects of rooms"""