diff --git a/www/run/index.html b/www/run/index.html
index bccc8a24..7f292f39 100644
--- a/www/run/index.html
+++ b/www/run/index.html
@@ -33,7 +33,7 @@
       <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous"> 
       <script src="https://cdn.jsdelivr.net/npm/webmidi@latest/dist/iife/webmidi.iife.js"></script>
       <script src="micropython.mjs" type="module"></script>
-<!--      <script type="text/javascript" src="enable-threads.js"></script> -->
+      <script type="text/javascript" src="enable-threads.js"></script>
       <script type="text/javascript" src="amy.js"></script>
       <script type="text/javascript" src="spss.js"></script>
   </head>