diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index 01164dd..9f7592e 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -363,7 +363,7 @@ Human* Room::FindEnemy(Human* hum)
 
 void Room::CollisionDetection(Entity* sender, int detection_flags, std::vector<Entity*>& objects)
 {
-    assert(uniid_hash_.size() < 1000);
+    assert(uniid_hash_.size() < 2000);
     for (auto& pair : uniid_hash_) {
         if (sender == pair.second) {
             continue;