diff --git a/webui/src/sketch-app-shell.html b/webui/src/sketch-app-shell.html
index 702b588..8127fa2 100644
--- a/webui/src/sketch-app-shell.html
+++ b/webui/src/sketch-app-shell.html
@@ -6,6 +6,7 @@
     <title>sketch coding assistant</title>
     <link rel="stylesheet" href="static/sketch-app-shell.css" />
     <script src="static/sketch-app-shell.js" async type="module"></script>
+    <script src="static/interface-detection.js"></script>
   </head>
   <body>
     <sketch-app-shell></sketch-app-shell>