1 files changed, 1 insertions, 1 deletions
diff --git a/examples/widgets/tools/i18n/mainwindow.h b/examples/widgets/tools/i18n/mainwindow.h
index e011151894..105472d60c 100644
--- a/examples/widgets/tools/i18n/mainwindow.h
+++ b/examples/widgets/tools/i18n/mainwindow.h
@@ -67,7 +67,7 @@ class MainWindow : public QMainWindow
     Q_OBJECT
 
 public:
-    MainWindow();
+    MainWindow(QWidget *parent = nullptr);
 
 private:
     void createGroupBox();