diff --git a/index.html b/index.html
index a2fdb97..ec53c99 100644
--- a/index.html
+++ b/index.html
@@ -47,7 +47,7 @@
           'This browser does not support the Popover API natively, so the polyfill has been applied.';
       }
     </script>
-    <link rel="icon" type="image/x-icon" sizes="48x48" href="/favicon.ico" />
+    <link rel="icon" type="image/x-icon" href="/favicon.ico" />
     <script src="https://unpkg.com/prismjs@v1.x/components/prism-core.min.js"></script>
     <script src="https://unpkg.com/prismjs@v1.x/plugins/autoloader/prism-autoloader.min.js"></script>