diff --git a/img/favicon.ico b/img/favicon.ico
new file mode 100644
index 0000000..08eb5c9
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diff --git a/index.html b/index.html
index 32363ba..6999f9b 100644
--- a/index.html
+++ b/index.html
@@ -9,6 +9,9 @@
     <link href="https://fonts.googleapis.com/css2?family=Fira+Sans&display=swap" rel="stylesheet">
     <script src="./app.js" defer></script>
     <title>Movie Theater Equations</title>
+    <link rel="icon" type="image/x-icon" href="./img/favicon.ico">
+    <!-- Theory icons created by Freepik - Flaticon -->
+    <!-- https://www.flaticon.com/free-icons/theory -->
   </head>
 
   <body>
