diff --git a/lib/app/App.vue b/lib/app/App.vue
index da80cc8910..d58cd6d58d 100644
--- a/lib/app/App.vue
+++ b/lib/app/App.vue
@@ -9,7 +9,7 @@ let layouts = {
 <%
 var layoutsKeys = Object.keys(layouts);
 layoutsKeys.forEach(function (key, i) { %>
-  _<%= key %>: process.BROWSER_BUILD ? () => System.import('<%= layouts[key] %>') : require('<%= layouts[key] %>')<%= (i + 1) < layoutsKeys.length ? ',' : '' %>
+  "_<%= key %>": process.BROWSER_BUILD ? () => System.import('<%= layouts[key] %>') : require('<%= layouts[key] %>')<%= (i + 1) < layoutsKeys.length ? ',' : '' %>
 <% }) %>
 }