1 files changed, 2 insertions, 2 deletions
diff --git a/src/datavisualization/data/qbar3dseries.h b/src/datavisualization/data/qbar3dseries.h
index b9e08b0c..bca23e2f 100644
--- a/src/datavisualization/data/qbar3dseries.h
+++ b/src/datavisualization/data/qbar3dseries.h
@@ -38,8 +38,8 @@ class QT_DATAVISUALIZATION_EXPORT QBar3DSeries : public QAbstract3DSeries
     Q_PROPERTY(float meshAngle READ meshAngle WRITE setMeshAngle NOTIFY meshAngleChanged)
 
 public:
-    explicit QBar3DSeries(QObject *parent = 0);
-    explicit QBar3DSeries(QBarDataProxy *dataProxy, QObject *parent = 0);
+    explicit QBar3DSeries(QObject *parent = Q_NULLPTR);
+    explicit QBar3DSeries(QBarDataProxy *dataProxy, QObject *parent = Q_NULLPTR);
     virtual ~QBar3DSeries();
 
     void setDataProxy(QBarDataProxy *proxy);