1 files changed, 1 insertions, 1 deletions
diff --git a/src/widgets/widgets/qtabwidget.h b/src/widgets/widgets/qtabwidget.h
index 702563127d..f12d584475 100644
--- a/src/widgets/widgets/qtabwidget.h
+++ b/src/widgets/widgets/qtabwidget.h
@@ -62,7 +62,7 @@ class Q_WIDGETS_EXPORT QTabWidget : public QWidget
     Q_PROPERTY(bool tabBarAutoHide READ tabBarAutoHide WRITE setTabBarAutoHide)
 
 public:
-    explicit QTabWidget(QWidget *parent = 0);
+    explicit QTabWidget(QWidget *parent = Q_NULLPTR);
     ~QTabWidget();
 
     int addTab(QWidget *widget, const QString &);