diff --git a/build-aux/windows/QElectroTech.wxs b/build-aux/windows/QElectroTech.wxs
index 4f6f62c22..3ffc62269 100644
--- a/build-aux/windows/QElectroTech.wxs
+++ b/build-aux/windows/QElectroTech.wxs
@@ -105,8 +105,8 @@
     <!-- WixUI_Minimal with QElectroTech GPL-2 license -->
     <ui:WixUI Id="WixUI_Minimal" />
 
-    <!-- WixVariable must be at Package level, not inside WixUI -->
-    <ui:WixVariable Id="WixUILicenseRtf" Value="$(var.LicenseRtf)" />
+    <!-- WixVariable without ui: namespace, at Package level -->
+    <WixVariable Id="WixUILicenseRtf" Value="$(var.LicenseRtf)" />
 
     <!-- Properties shown in Programs and Features -->
     <Property Id="ARPPRODUCTICON" Value="qet.ico" />