diff --git a/server/gameserver/constant_export.h b/server/gameserver/constant_export.h
index 7e4a6c6..a248bf5 100644
--- a/server/gameserver/constant_export.h
+++ b/server/gameserver/constant_export.h
@@ -17,6 +17,7 @@ const int kPoisioningBuffId = 7016;
 const int kRescueBuffId = 7017;
 const int kVertigoBuffId = 7018;
 const int kPeaceModeBuffId = 7019;
+const int kPullToWalkableBuffId = 8003;
 
 enum BuffEffectType_e
 {
diff --git a/server/gameserver/roomobstacle.cc b/server/gameserver/roomobstacle.cc
index 8f47d5f..a373eca 100644
--- a/server/gameserver/roomobstacle.cc
+++ b/server/gameserver/roomobstacle.cc
@@ -649,7 +649,16 @@ void RoomObstacle::PushCollisionObjects()
          [this] (Creature* c, bool& stop)
          {
              if (TestCollision(room, c)) {
-                 c->MustBeAddBuff(c, 8003);
+                 c->room->xtimer.AddDeadLineTimerAndAttach
+                     (1,
+                      a8::XParams()
+                      .SetSender(c),
+                      [] (const a8::XParams& param)
+                      {
+                          Creature* c = (Creature*)param.sender.GetUserData();
+                          c->MustBeAddBuff(c, kPullToWalkableBuffId);
+                      },
+                      &c->xtimer_attacher.timer_list_);
              }
          });
 }