1 files changed, 1 insertions, 1 deletions
diff --git a/src/charts/qabstractseries.h b/src/charts/qabstractseries.h
index 354c5edb..8fedf5c3 100644
--- a/src/charts/qabstractseries.h
+++ b/src/charts/qabstractseries.h
@@ -67,7 +67,7 @@ public:
     };
 
 protected:
-    QAbstractSeries(QAbstractSeriesPrivate &d, QObject *parent = 0);
+    QAbstractSeries(QAbstractSeriesPrivate &d, QObject *parent = Q_NULLPTR);
 
 public:
     ~QAbstractSeries();