diff --git a/index.html b/index.html
index a55996b..bbdd9b5 100644
--- a/index.html
+++ b/index.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <head>
 	<title>Internet Channel Bookmarks</title>
-	<link rel="stylesheet" href="//cdn.jsdelivr.net/npm/materialize-css@1/dist/css/materialize.min.css">
+	<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/materialize-css@1/dist/css/materialize.min.css">
 </head>
 <body>
 	<div class="row center">
