diff --git a/src/qt/window.cpp b/src/qt/window.cpp
index 9020a7fc1c..d07dfcc221 100644
--- a/src/qt/window.cpp
+++ b/src/qt/window.cpp
@@ -309,6 +309,9 @@ wxWindowQt::~wxWindowQt()
 
     DestroyChildren(); // This also destroys scrollbars
 
+    if (m_qtWindow)
+        QtStoreWindowPointer( GetHandle(), NULL );
+
 #if wxUSE_DRAG_AND_DROP
     SetDropTarget(NULL);
 #endif