1 files changed, 3 insertions, 2 deletions
diff --git a/src/widgets/styles/qwindowsvistastyle_p.h b/src/widgets/styles/qwindowsvistastyle_p.h
index 7205ad2d19..78282d01ef 100644
--- a/src/widgets/styles/qwindowsvistastyle_p.h
+++ b/src/widgets/styles/qwindowsvistastyle_p.h
@@ -205,12 +205,13 @@ public:
     QWindowsVistaAnimation* widgetAnimation(const QWidget *) const;
     void timerEvent();
     bool transitionsEnabled() const;
-    QWidget *treeViewHelper();
 
 private:
+    bool initTreeViewTheming();
+
     QList <QWindowsVistaAnimation*> animations;
     QBasicTimer animationTimer;
-    QWidget *m_treeViewHelper;
+    HWND m_treeViewHelper;
 };
 
 QT_END_NAMESPACE