diff --git a/server/gameserver/roommgr.cc b/server/gameserver/roommgr.cc
index ac725a90..281874b8 100644
--- a/server/gameserver/roommgr.cc
+++ b/server/gameserver/roommgr.cc
@@ -910,9 +910,11 @@ void RoomMgr::AdjustCMJoin(cs::CMJoin* msg)
                     msg->custom_room_payload()
                 });
 #endif
+#if 0
     if (msg->proto_version() < cs::ProtoVersion) {
         msg->set_mapid(2001);
     }
+#endif
 #ifdef MYDEBUG1
     if (DebugCmd::Enable()) {
         msg->set_room_mode(kPvpRankMode);