--- a/plugins/mod_admin_telnet.lua	Sun May 26 16:02:01 2013 +0200
+++ b/plugins/mod_admin_telnet.lua	Sun May 26 22:59:06 2013 +0200
@@ -940,6 +940,8 @@
 
 function def_env.muc:create(room_jid)
 	local room, host = check_muc(room_jid);
+	if not room then return nil, host end
+	if hosts[host].modules.muc.rooms[room_jid] then return nil, "Room exists already" end
 	return hosts[host].modules.muc.create_room(room_jid);
 end