diff --git a/share/qtcreator/qmldesigner/studio_templates/projects/common/App.qml.tpl b/share/qtcreator/qmldesigner/studio_templates/projects/common/App.qml.tpl
index 1a6597e2271..32b90720938 100644
--- a/share/qtcreator/qmldesigner/studio_templates/projects/common/App.qml.tpl
+++ b/share/qtcreator/qmldesigner/studio_templates/projects/common/App.qml.tpl
@@ -35,13 +35,14 @@ import QtQuick.VirtualKeyboard %{QtQuickVersion}
 @endif
 
 Window {
-    width: Constants.width
-    height: Constants.height
+    width: mainScreen.width
+    height: mainScreen.height
 
     visible: true
     title: "%{ProjectName}"
 
     %{UIClassName} {
+        id: mainScreen
     }
 
 @if %{UseVirtualKeyboard}