diff --git a/src/platformsupport/fbconvenience/qfbscreen_p.h b/src/platformsupport/fbconvenience/qfbscreen_p.h
index dd940c4a1d..924b49afda 100644
--- a/src/platformsupport/fbconvenience/qfbscreen_p.h
+++ b/src/platformsupport/fbconvenience/qfbscreen_p.h
@@ -108,7 +108,7 @@ private:
     void generateRects();
 
     QPainter *mCompositePainter;
-    QList<QPair<QRect, int> > mCachedRects;
+    QVector<QPair<QRect, int> > mCachedRects;
     QList <QFbBackingStore*> mBackingStores;
 
     friend class QFbWindow;