diff --git a/_includes/head.html b/_includes/head.html
index efa6091..6d075f2 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -12,6 +12,7 @@
   <script src="{{ "/assets/js/sidenotes.js" | relative_url }}"></script>
 
   <!-- Favicon -->
+  <link rel="icon" type="image/png" sizes="256x256" href="{{ "/assets/favicon-256x256.png" | relative_url }}">
   <link rel="icon" type="image/png" sizes="128x128" href="{{ "/assets/favicon-128x128.png" | relative_url }}">
   <link rel="icon" type="image/png" sizes="32x32" href="{{ "/assets/favicon-32x32.png" | relative_url }}">
   <link rel="icon" type="image/png" sizes="16x16" href="{{ "/assets/favicon-16x16.png" | relative_url }}">