diff --git a/autotests/integration/plasma_surface_test.cpp b/autotests/integration/plasma_surface_test.cpp
index 71001b850a..6650227bbc 100644
--- a/autotests/integration/plasma_surface_test.cpp
+++ b/autotests/integration/plasma_surface_test.cpp
@@ -370,6 +370,7 @@ void PlasmaSurfaceTest::testPanelWindowsCanCover()
     // trigger screenedge
     QFETCH(QPoint, triggerPoint);
     KWin::Cursors::self()->mouse()->setPos(triggerPoint);
+    QVERIFY(stackingOrderChangedSpy.wait());
     QCOMPARE(stackingOrderChangedSpy.count(), 1);
     stackingOrder = workspace()->stackingOrder();
     QCOMPARE(stackingOrder.count(), 2);