diff --git a/_includes/head.html b/_includes/head.html
index cdcd4215..18a68478 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -25,4 +25,11 @@
 
   <!-- JS -->
   <script src="https://cdnjs.cloudflare.com/ajax/libs/anchor-js/2.0.0/anchor.min.js"></script>
+
+  <!-- redirect from phil-opp.github.io/blog_os -->
+  <script type="text/javascript">
+    if (window.location.hostname == "phil-opp.github.io") {
+      window.location.href = "http://os.phil-opp.com/";
+    }
+  </script>
 </head>