diff --git a/setup/build.py b/setup/build.py
index 280c732b0b..16cb5b4b36 100644
--- a/setup/build.py
+++ b/setup/build.py
@@ -364,11 +364,11 @@ class Build(Command):
             TARGET = headless
             PLUGIN_TYPE = platforms
             PLUGIN_CLASS_NAME = HeadlessIntegrationPlugin
-            load(qt_plugin)
             QT += core-private gui-private
             greaterThan(QT_MAJOR_VERSION, 5)|greaterThan(QT_MINOR_VERSION, 7): {{
                 QT += theme_support-private
             }} else {{
+                load(qt_plugin)
                 QT += platformsupport-private
             }}
             HEADERS = {headers}