diff --git a/src/qchartview.h b/src/qchartview.h
index 120331c..27f3d5e 100644
--- a/src/qchartview.h
+++ b/src/qchartview.h
@@ -31,7 +31,7 @@ class QRubberBand;
 
 QTCOMMERCIALCHART_BEGIN_NAMESPACE
 
-struct QChartViewPrivate;
+class QChartViewPrivate;
 
 class QTCOMMERCIALCHART_EXPORT QChartView : public QGraphicsView
 {