diff --git a/examples/zoomlinechart/chart.cpp b/examples/zoomlinechart/chart.cpp
index fc873c3..dbedb8d 100644
--- a/examples/zoomlinechart/chart.cpp
+++ b/examples/zoomlinechart/chart.cpp
@@ -49,7 +49,7 @@ bool Chart::gestureEvent(QGestureEvent *event)
 {
     if (QGesture *gesture = event->gesture(Qt::PanGesture)) {
         QPanGesture *pan = static_cast<QPanGesture *>(gesture);
-        QChart::scroll(pan->delta().x(), pan->delta().y());
+        QChart::scroll(-(pan->delta().x()), pan->delta().y());
     }
 
     if (QGesture *gesture = event->gesture(Qt::PinchGesture)) {