diff --git a/server/gameserver/mapmgr.cc b/server/gameserver/mapmgr.cc
index 375b307..42b24c8 100644
--- a/server/gameserver/mapmgr.cc
+++ b/server/gameserver/mapmgr.cc
@@ -51,7 +51,10 @@ void MapMgr::AttachRoom(Room* room, RoomInitInfo& init_info)
     if (!map_instance) {
         map_instance = RandMapInstance(init_info.room_mode);
     } else if (map_instance->GetMapMeta()->i->map_mode() != init_info.room_mode) {
+#ifdef DEBUG
+#else
         map_instance = RandMapInstance(init_info.room_mode);
+#endif
     }
 
     if (!map_instance) {