1 files changed, 1 insertions, 1 deletions
diff --git a/examples/assistant/simpletextviewer/mainwindow.h b/examples/assistant/simpletextviewer/mainwindow.h
index 09516b536..7026b5eca 100644
--- a/examples/assistant/simpletextviewer/mainwindow.h
+++ b/examples/assistant/simpletextviewer/mainwindow.h
@@ -70,7 +70,7 @@ private slots:
     void open();
 
 protected:
-    void closeEvent(QCloseEvent *event);
+    void closeEvent(QCloseEvent *event) override;
 
 private:
     void createActions();