1 files changed, 2 insertions, 2 deletions
diff --git a/src/widgets/statemachine/qbasicmouseeventtransition_p.h b/src/widgets/statemachine/qbasicmouseeventtransition_p.h
index 132e223535..dd619d189c 100644
--- a/src/widgets/statemachine/qbasicmouseeventtransition_p.h
+++ b/src/widgets/statemachine/qbasicmouseeventtransition_p.h
@@ -65,9 +65,9 @@ class Q_AUTOTEST_EXPORT QBasicMouseEventTransition : public QAbstractTransition
 {
     Q_OBJECT
 public:
-    QBasicMouseEventTransition(QState *sourceState = 0);
+    QBasicMouseEventTransition(QState *sourceState = nullptr);
     QBasicMouseEventTransition(QEvent::Type type, Qt::MouseButton button,
-                               QState *sourceState = 0);
+                               QState *sourceState = nullptr);
     ~QBasicMouseEventTransition();
 
     QEvent::Type eventType() const;