diff --git a/tools/tester.html b/tools/tester.html
index 95ba9cab3f..74fefd9911 100644
--- a/tools/tester.html
+++ b/tools/tester.html
@@ -1,7 +1,7 @@
 <html>
     <head>
         <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bulma@0.9.3/css/bulma.min.css">
-        <script src="../bin/arturo.min.js"></script>
+        <script src="../bin/arturo.js"></script>
     </head>
     <body>
         <section class="section" style="background: #EEE">
