diff --git a/tests/auto/widgets/widgets/qmenu/tst_qmenu.cpp b/tests/auto/widgets/widgets/qmenu/tst_qmenu.cpp
index 6d0142e870a..e031cca3acb 100644
--- a/tests/auto/widgets/widgets/qmenu/tst_qmenu.cpp
+++ b/tests/auto/widgets/widgets/qmenu/tst_qmenu.cpp
@@ -2060,7 +2060,8 @@ void tst_QMenu::nestedTearOffDetached()
     public:
         QMenu *tornOffMenu = nullptr;
     protected:
-        bool eventFilter(QObject *receiver, QEvent *event) {
+        bool eventFilter(QObject *receiver, QEvent *event) override
+        {
             if (event->type() == QEvent::Show && receiver->inherits("QTornOffMenu"))
                 tornOffMenu = qobject_cast<QMenu *>(receiver);
             return QObject::eventFilter(receiver, event);