diff --git a/mayfly_go_web/index.html b/mayfly_go_web/index.html
index 5be281fc..4c8d9242 100644
--- a/mayfly_go_web/index.html
+++ b/mayfly_go_web/index.html
@@ -18,7 +18,7 @@
 	</head>
 	<body>
 		<div id="app"></div>
-        <script type="module" src="./config.js"></script>
+        <script type="application/javascript" src="./config.js"></script>
 		<script type="module" src="/src/main.ts"></script>
 	</body>
 </html>
