diff --git a/src/common/datavcmn.cpp b/src/common/datavcmn.cpp
index 7f85194b9b..6e67dbaa40 100644
--- a/src/common/datavcmn.cpp
+++ b/src/common/datavcmn.cpp
@@ -678,6 +678,7 @@ public:
    virtual void OnObjectDestroy()
    {
       get()->PopEventHandler( true );
+      m_pobj = NULL;
       delete this;
    }
 };