1 files changed, 1 insertions, 0 deletions
diff --git a/src/plugins/platforms/windows/qwindowsmousehandler.h b/src/plugins/platforms/windows/qwindowsmousehandler.h
index 9524c26503..1b19b34458 100644
--- a/src/plugins/platforms/windows/qwindowsmousehandler.h
+++ b/src/plugins/platforms/windows/qwindowsmousehandler.h
@@ -78,6 +78,7 @@ private:
                                          MSG msg, LRESULT *result);
 
     QPointer<QWindow> m_windowUnderMouse;
+    QPointer<QWindow> m_trackedWindow;
     QHash<DWORD, int> m_touchInputIDToTouchPointID;
     QTouchDevice *m_touchDevice;
 };