1 files changed, 2 insertions, 2 deletions
diff --git a/src/corelib/io/qfilesystemwatcher.h b/src/corelib/io/qfilesystemwatcher.h
index 13d1782913..095b50d1e5 100644
--- a/src/corelib/io/qfilesystemwatcher.h
+++ b/src/corelib/io/qfilesystemwatcher.h
@@ -49,8 +49,8 @@ class Q_CORE_EXPORT QFileSystemWatcher : public QObject
     Q_DECLARE_PRIVATE(QFileSystemWatcher)
 
 public:
-    QFileSystemWatcher(QObject *parent = 0);
-    QFileSystemWatcher(const QStringList &paths, QObject *parent = 0);
+    QFileSystemWatcher(QObject *parent = Q_NULLPTR);
+    QFileSystemWatcher(const QStringList &paths, QObject *parent = Q_NULLPTR);
     ~QFileSystemWatcher();
 
     bool addPath(const QString &file);