diff --git a/src/game/Object.cpp b/src/game/Object.cpp
index 69a286289b..0923af41ff 100644
--- a/src/game/Object.cpp
+++ b/src/game/Object.cpp
@@ -1695,6 +1695,13 @@ void WorldObject::SetMap(Map * map)
     m_currMap = map;
 }
 
+void WorldObject::ResetMap()
+{
+    ASSERT(m_currMap);
+    ASSERT(!IsInWorld());
+    m_currMap = NULL;
+}
+
 Map const* WorldObject::GetBaseMap() const
 {
     ASSERT(m_currMap);
diff --git a/src/game/Object.h b/src/game/Object.h
index c44dd4fd65..15bc7fcd00 100644
--- a/src/game/Object.h
+++ b/src/game/Object.h
@@ -529,10 +529,10 @@ class TRINITY_DLL_SPEC WorldObject : public Object
         void SendPlaySound(uint32 Sound, bool OnlySelf);
 
         virtual void SetMap(Map * map);
+        virtual void ResetMap();
         Map * GetMap() const { ASSERT(m_currMap); return m_currMap; }
         Map * FindMap() const { return m_currMap; }
         //used to check all object's GetMap() calls when object is not in world!
-        virtual void ResetMap() { assert(m_currMap); m_currMap = NULL; }
 
         //this function should be removed in nearest time...
         Map const* GetBaseMap() const;