diff --git a/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp b/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp
index 2ecfd262330..ba6c0bf2f8d 100644
--- a/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp
+++ b/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp
@@ -12486,6 +12486,8 @@ void tst_QWidget::synthMouseDoubleClick()
     widget.setWindowTitle(QLatin1String(QTest::currentTestFunction()));
     widget.show();
     QWindow* window = widget.windowHandle();
+
+    QVERIFY(ensurePositionTopLeft(window));
     QVERIFY(QTest::qWaitForWindowExposed(window));
 
     // tap once; move slightly from press to release