diff --git a/server/gameserver/creature.cc b/server/gameserver/creature.cc
index a4167cd1..f72d6582 100644
--- a/server/gameserver/creature.cc
+++ b/server/gameserver/creature.cc
@@ -2320,6 +2320,9 @@ void Creature::OnBattleStart(Room* room)
             break;
         }
     }
+    if (IsPlayer() && room->GetCustomBattle()) {
+        TryAddBuffAndSetTime(this, kInvincibleBuffId, FRAME_RATE_MS * 2);
+    }
 }
 
 bool Creature::CanFollow(Creature* follower)