1 files changed, 1 insertions, 1 deletions
diff --git a/src/corelib/kernel/qtimer.h b/src/corelib/kernel/qtimer.h
index 163ef75291..56f8a1a177 100644
--- a/src/corelib/kernel/qtimer.h
+++ b/src/corelib/kernel/qtimer.h
@@ -53,7 +53,7 @@ class Q_CORE_EXPORT QTimer : public QObject
     Q_PROPERTY(Qt::TimerType timerType READ timerType WRITE setTimerType)
     Q_PROPERTY(bool active READ isActive)
 public:
-    explicit QTimer(QObject *parent = 0);
+    explicit QTimer(QObject *parent = Q_NULLPTR);
     ~QTimer();
 
     inline bool isActive() const { return id >= 0; }