1 files changed, 1 insertions, 1 deletions
diff --git a/examples/widgets/draganddrop/draggableicons/dragwidget.h b/examples/widgets/draganddrop/draggableicons/dragwidget.h
index 18be074b61..98e623a5e3 100644
--- a/examples/widgets/draganddrop/draggableicons/dragwidget.h
+++ b/examples/widgets/draganddrop/draggableicons/dragwidget.h
@@ -62,7 +62,7 @@ QT_END_NAMESPACE
 class DragWidget : public QFrame
 {
 public:
-    DragWidget(QWidget *parent = 0);
+    explicit DragWidget(QWidget *parent = nullptr);
 
 protected:
     void dragEnterEvent(QDragEnterEvent *event) override;