diff --git a/tools/xslt/guide-html.xsl b/tools/xslt/guide-html.xsl
index 0931cd6..65c7d02 100644
--- a/tools/xslt/guide-html.xsl
+++ b/tools/xslt/guide-html.xsl
@@ -16,7 +16,7 @@ exclude-result-prefixes="html">
 <meta name="description" content="Guide Libre Association, des logiciels pour libérer votre projet associatif" />
 <meta name="version" content="1.1" />
 <title>Guide Libre Association</title>
-<link rel="shortcut icon" href= "http://www.april.org/sites/default/themes/zen_april/favicon.ico" />
+<link rel="shortcut icon" href= "https://www.april.org/sites/default/themes/zen_april/favicon.ico" />
 <link type="text/css" rel="stylesheet" href="css/layout-default-latest.css" />
 <link type="text/css" rel="stylesheet" href="css/guide.css" />
 <script type="text/javascript" src="js/jquery-latest.js"></script>