diff --git a/src/disco.py b/src/disco.py
index c3e972a1c..1354a11ac 100644
--- a/src/disco.py
+++ b/src/disco.py
@@ -1527,6 +1527,7 @@ class MucBrowser(AgentBrowser):
 		if not iter:
 			return
 		service = model[iter][0].decode('utf-8')
+		room = model[iter][1].decode('utf-8')
 		if 'join_gc' not in gajim.interface.instances[self.account]:
 			try:
 				room_jid = '%s@%s' % (service, room)