diff --git a/index.html b/index.html
index f8d8928..e44f78b 100644
--- a/index.html
+++ b/index.html
@@ -4,6 +4,7 @@
     <title>Gravity Simulator</title>
     <meta name="viewport" content="width=device-width" />
     <link rel="stylesheet" href="./style.css" />
+    <link rel="icon" href="./favicon.ico" />
   <script type="module">
     import { Sim } from './simulator.js';
     // Wait for document load