diff --git a/server/gameserver/roomobstacle.cc b/server/gameserver/roomobstacle.cc
index 8df096e..03246ec 100644
--- a/server/gameserver/roomobstacle.cc
+++ b/server/gameserver/roomobstacle.cc
@@ -157,7 +157,10 @@ void RoomObstacle::UpdateTimerFunc()
             Explosion();
             Die(room);
             BroadcastFullState(room);
+            room->xtimer.DeleteTimer(room->xtimer.GetRunningTimer());
         }
+    } else {
+        room->xtimer.DeleteTimer(room->xtimer.GetRunningTimer());
     }
 }