diff --git a/server/gameserver/creature.h b/server/gameserver/creature.h
index 50046ae..9218d77 100644
--- a/server/gameserver/creature.h
+++ b/server/gameserver/creature.h
@@ -89,6 +89,7 @@ class Creature : public MoveableEntity
     virtual void RemoveOutObjects(Entity* entity) {};
     virtual bool Attackable(Room* room) override;
     virtual bool ReceiveExplosionDmg(Explosion* explosion) override;
+    virtual bool IsCreature(Room* room)  override { return true;};
     bool HasBuffEffect(int buff_effect_id);
     Buff* GetBuffByEffectId(int effect_id);
     Buff* GetBuffById(int buff_id);
diff --git a/server/gameserver/entity.h b/server/gameserver/entity.h
index 2b16784..afcc601 100644
--- a/server/gameserver/entity.h
+++ b/server/gameserver/entity.h
@@ -30,6 +30,7 @@ class Entity
     virtual float GetHitRadius() { return GetRadius();};
     virtual void GetCircleBox(CircleCollider& circle_box);
     virtual bool IsDead(Room* room) { return false;};
+    virtual bool IsCreature(Room* room) { return false;};
     virtual long long GetDeadFrameNo(Room* room) { return 0;};
     virtual void OnPreCollision(Room* room) {};
     virtual void RecalcSelfCollider() {};
diff --git a/server/gameserver/explosion.cc b/server/gameserver/explosion.cc
index 19a17b0..7f181c0 100644
--- a/server/gameserver/explosion.cc
+++ b/server/gameserver/explosion.cc
@@ -116,7 +116,7 @@ void Explosion::InternalAttack()
          }
          );
     for (auto& target : objects) {
-        if (target->HasBuffEffect(kBET_BulletThrough)) {
+        if (target->IsCreature(room_) && ((Creature*)target)->HasBuffEffect(kBET_BulletThrough)) {
             continue;
         }
         target->OnExplosionHit(this);