diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index 393a6a0..39d647d 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -17,6 +17,7 @@
 #include "android.h"
 #include "gamelog.h"
 #include "typeconvert.h"
+#include "obstacle.h"
 
 #include "framework/cpp/utils.h"
 #include "framework/cpp/httpclientpool.h"
@@ -355,6 +356,32 @@ bool Human::IsCollisionInMapService()
     for (const ColliderComponent* collider : colliders) {
         switch (collider->owner->entity_type) {
         case ET_Obstacle:
+            {
+                if (!collider->owner->dead && TestCollision((ColliderComponent*)collider)) {
+                    if (last_collision_door != collider->owner) {
+                        Obstacle* obstacle = (Obstacle*)collider->owner;
+                        if (!obstacle->dead && obstacle->meta->i->attack_type() == 1 &&
+                            obstacle->meta->i->drop() != 0) {
+                            obstacle->health = 0;
+                            obstacle->dead = obstacle->health <= 0.01f;
+                            obstacle->dead_frameno = room->frame_no;
+                            if (obstacle->dead) {
+                                #if 0
+                                if (obstacle->meta->i->damage_dia() > 0.01f &&
+                                    obstacle->meta->i->damage() > 0.01f) {
+                                    obstacle->Explosion(this);
+                                }
+                                #endif
+                                room->ScatterDrop(obstacle->pos, obstacle->meta->i->drop());
+                            }
+                            obstacle->BroadcastFullState();
+                        } else {
+                            return true;
+                        }
+                    }
+                }
+            }
+            break;
         case ET_Building:
             {
                 if (!collider->owner->dead && TestCollision((ColliderComponent*)collider)) {