diff --git a/chant.php b/chant.php
index 6a1196d..d92e573 100644
--- a/chant.php
+++ b/chant.php
@@ -17,7 +17,7 @@ if(!$c) {
 
 $title = $c['incipit']?$c['incipit']:'░░'.$c['id'].'░░';
 $custom_header = <<<HEADER
-<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
+<script type="text/javascript" src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
 <script type="text/javascript" src="jquery.bpopup.min.js"></script>
 <style>
 #popup1, #popup2 { 
diff --git a/chant_edit.php b/chant_edit.php
index b137aef..076fb25 100644
--- a/chant_edit.php
+++ b/chant_edit.php
@@ -40,7 +40,7 @@ natcasesort($tags);
 
 $title = $c['incipit']?$c['incipit']:'New score';
 $custom_header = <<<HEADER
-<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
+<script type="text/javascript" src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
 <script type="text/javascript" src="autoresize.jquery.js"></script>
 <script type="text/javascript" src="relCopy.min.js"></script>
 <script type="text/javascript">
diff --git a/include/header.php b/include/header.php
index d9e3f39..6a4f1bf 100644
--- a/include/header.php
+++ b/include/header.php
@@ -9,7 +9,7 @@ echo <<<HEADER1
 <head>
 <meta content="text/html; charset=UTF-8" http-equiv="content-type" />
 <title>GregoBase - $title</title>
-<link rel='stylesheet' type='text/css' href='http://fonts.googleapis.com/css?family=Libre+Baskerville:400,700,400italic' />
+<link rel='stylesheet' type='text/css' href='//fonts.googleapis.com/css?family=Libre+Baskerville:400,700,400italic' />
 <link rel="stylesheet" type="text/css" href="style.css" />
 
 HEADER1;
diff --git a/wp-content/themes/gregobase/style.css b/wp-content/themes/gregobase/style.css
index 19553eb..65e96a6 100644
--- a/wp-content/themes/gregobase/style.css
+++ b/wp-content/themes/gregobase/style.css
@@ -36,7 +36,7 @@ This work, like WordPress, is released under GNU General Public License, version
 /* Prepare theme for plugins */
 @import url('../thematic/library/styles/plugins.css');
 
-@import url("http://fonts.googleapis.com/css?family=Libre+Baskerville:400,400italic,700");
+@import url("//fonts.googleapis.com/css?family=Libre+Baskerville:400,400italic,700");
 
 body {
 	background: #fff;
