diff --git a/front/index.html b/front/index.html
index b893834e..ffdc6ac6 100644
--- a/front/index.html
+++ b/front/index.html
@@ -29,6 +29,7 @@
 
         <base href="/">
         <link href="https://unpkg.com/nes.css@2.3.0/css/nes.min.css" rel="stylesheet" />
+        <script>/*polyfill for simple-peer*/window.global = window; window.process = { env: {}};</script>
 
         <title>WorkAdventure</title>
     </head>