diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index 108b022..030e78f 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -26,7 +26,7 @@
 
 const int MAP_CELL_WIDTH = 64 * 8;
 const int MAP_GRID_WIDTH = 64;
-const int ROOM_MAX_PLAYER_NUM = 50;
+const int ROOM_MAX_PLAYER_NUM = 40;
 
 static long long RoomXGetTickCount(void* context)
 {