diff --git a/website/index.html b/website/index.html
index ffb026b..e0fab44 100644
--- a/website/index.html
+++ b/website/index.html
@@ -3,7 +3,7 @@
   <head>
     <meta charset="utf8">
     <title>Trimage (lossless) image compressor</title>
-    <link href="http://github.com/Kilian/sencss/raw/master/source/sen.css" rel="stylesheet" type="text/css">
+    <link href="https://raw.github.com/Kilian/sencss/master/source/sen.css" rel="stylesheet" type="text/css">
     <style>
       body {
         background:#fff
