diff --git a/frontend/demo/index.html b/frontend/demo/index.html
index 389880c5a8..93a117d42c 100644
--- a/frontend/demo/index.html
+++ b/frontend/demo/index.html
@@ -17,7 +17,7 @@
     <link rel="manifest" href="/manifest.json" />
     <script>
       window.airy = {
-        "API_HOST": "{{API_HOST}}}"
+        "API_HOST": "{{API_HOST}}"
       }
     </script>
   </head>