diff --git a/samples/05.custom-components/k.per-message-avatar/comprehensive.html b/samples/05.custom-components/k.per-message-avatar/comprehensive.html
index 7a302ec51e..975c50aa1b 100644
--- a/samples/05.custom-components/k.per-message-avatar/comprehensive.html
+++ b/samples/05.custom-components/k.per-message-avatar/comprehensive.html
@@ -122,7 +122,7 @@
   </head>
   <body>
     <div id="app" role="main"></div>
-    <script type="text/babel" data-presets="es2015.react,stage-3">
+    <script type="text/babel" data-presets="es2015,react,stage-3">
       (async function() {
         // In this demo, we are using Direct Line token from MockBot.
         // Your client code must provide either a secret or a token to talk to your bot.
