diff --git a/tests/auto/opengl/qgl/tst_qgl.cpp b/tests/auto/opengl/qgl/tst_qgl.cpp
index 929141c108..899e642249 100644
--- a/tests/auto/opengl/qgl/tst_qgl.cpp
+++ b/tests/auto/opengl/qgl/tst_qgl.cpp
@@ -2277,7 +2277,7 @@ protected:
 
         delete display;
         display = new DisplayWidget(this);
-        connect(producer, SIGNAL(imageReady(const QImage &)), display, SLOT(setImage(const QImage &)));
+        connect(producer, SIGNAL(imageReady(QImage)), display, SLOT(setImage(QImage)));
 
         display->setGeometry(rect());
         display->show();