diff --git a/tests/auto/gui/kernel/qwindow/CMakeLists.txt b/tests/auto/gui/kernel/qwindow/CMakeLists.txt
index f65cf6bede..0c4a6e877e 100644
--- a/tests/auto/gui/kernel/qwindow/CMakeLists.txt
+++ b/tests/auto/gui/kernel/qwindow/CMakeLists.txt
@@ -22,6 +22,7 @@ qt_internal_add_test(tst_qwindow
 
 if(APPLE OR WIN32)
     qt_internal_add_test(tst_foreignwindow
+        LOWDPI
         SOURCES
             tst_foreignwindow.cpp
         LIBRARIES