diff --git a/src/wayland/tests/renderingservertest.cpp b/src/wayland/tests/renderingservertest.cpp
index 1acae55722..e6816d358e 100644
--- a/src/wayland/tests/renderingservertest.cpp
+++ b/src/wayland/tests/renderingservertest.cpp
@@ -205,7 +205,7 @@ int main(int argc, char **argv)
     shell->create();
     display.createShm();
     OutputInterface *output = display.createOutput(&display);
-    output->setPhysicalSize(QSize(400, 300));
+    output->setPhysicalSize(QSize(269, 202));
     const QSize windowSize(1024, 768);
     output->addMode(windowSize);
     output->create();