1 files changed, 1 insertions, 1 deletions
diff --git a/src/corelib/statemachine/qabstracttransition.h b/src/corelib/statemachine/qabstracttransition.h
index ec81b8ec2e..9b35e0cdb6 100644
--- a/src/corelib/statemachine/qabstracttransition.h
+++ b/src/corelib/statemachine/qabstracttransition.h
@@ -72,7 +72,7 @@ public:
     };
     Q_ENUM(TransitionType)
 
-    QAbstractTransition(QState *sourceState = Q_NULLPTR);
+    QAbstractTransition(QState *sourceState = nullptr);
     virtual ~QAbstractTransition();
 
     QState *sourceState() const;