diff --git a/contrib/msi/build-msi-gui.sh b/contrib/msi/build-msi-gui.sh
index 93a25f7e..9ef72396 100644
--- a/contrib/msi/build-msi-gui.sh
+++ b/contrib/msi/build-msi-gui.sh
@@ -330,12 +330,17 @@ cat > wix.xml << EOF
Target="[MeshInstallFolder]mesh-ui.exe"
Arguments="ui\index.html"
WorkingDirectory="MeshInstallFolder"/>
-
-
+
+ Type="string"
+ Value='"[MeshInstallFolder]mesh-ui.exe" ui\index.html' />
ASSISTANCE_START_VIA_REGISTRY