1 files changed, 3 insertions, 3 deletions
diff --git a/src/widgets/util/qundoview.h b/src/widgets/util/qundoview.h
index a239d9b38e..2a15207ca5 100644
--- a/src/widgets/util/qundoview.h
+++ b/src/widgets/util/qundoview.h
@@ -55,10 +55,10 @@ class Q_WIDGETS_EXPORT QUndoView : public QListView
     Q_PROPERTY(QIcon cleanIcon READ cleanIcon WRITE setCleanIcon)
 
 public:
-    explicit QUndoView(QWidget *parent = 0);
-    explicit QUndoView(QUndoStack *stack, QWidget *parent = 0);
+    explicit QUndoView(QWidget *parent = Q_NULLPTR);
+    explicit QUndoView(QUndoStack *stack, QWidget *parent = Q_NULLPTR);
 #ifndef QT_NO_UNDOGROUP
-    explicit QUndoView(QUndoGroup *group, QWidget *parent = 0);
+    explicit QUndoView(QUndoGroup *group, QWidget *parent = Q_NULLPTR);
 #endif
     ~QUndoView();