diff --git a/src/gui/CMakeLists.txt b/src/gui/CMakeLists.txt
index e6cef83c45..2e6936bc79 100644
--- a/src/gui/CMakeLists.txt
+++ b/src/gui/CMakeLists.txt
@@ -256,9 +256,9 @@ add_qt_module(Gui
     DEFINES
         QT_NO_FOREACH
         QT_NO_USING_NAMESPACE
+        QT_QPA_DEFAULT_PLATFORM_NAME="${QT_QPA_DEFAULT_PLATFORM}" # special case
     INCLUDE_DIRECTORIES
         ../3rdparty/VulkanMemoryAllocator
-        QT_QPA_DEFAULT_PLATFORM_NAME="${QT_QPA_DEFAULT_PLATFORM}" # special case
     LIBRARIES
         Qt::CorePrivate
         ZLIB::ZLIB