diff --git a/tests/auto/opengl/qgl/tst_qgl.cpp b/tests/auto/opengl/qgl/tst_qgl.cpp
index 46e2345c6a..7666bf81e4 100644
--- a/tests/auto/opengl/qgl/tst_qgl.cpp
+++ b/tests/auto/opengl/qgl/tst_qgl.cpp
@@ -923,8 +923,7 @@ void tst_QGL::partialGLWidgetUpdates()
     widget.setFixedSize(150, 150);
     widget.setAutoFillBackground(autoFillBackground);
     widget.show();
-
-    QTest::qWait(200);
+    QVERIFY(QTest::qWaitForWindowExposed(&widget));
 
     if (widget.format().doubleBuffer() != doubleBufferedContext)
         QSKIP("Platform does not support requested format");