diff --git a/sigal/themes/colorbox/templates/index.html b/sigal/themes/colorbox/templates/index.html
index 8981804..04791e9 100644
--- a/sigal/themes/colorbox/templates/index.html
+++ b/sigal/themes/colorbox/templates/index.html
@@ -9,10 +9,10 @@
     <meta name="author" content="{{ author }}">
     <meta name="viewport" content="width=device-width">
 
-    <link rel="stylesheet" href="http://fonts.googleapis.com/css?family=PT+Sans">
+    <link rel="stylesheet" href="//fonts.googleapis.com/css?family=PT+Sans">
     <link rel="stylesheet" href="{{ theme.url }}/css/style.min.css">
     <!--[if lt IE 9]>
-        <script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
+        <script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
     <![endif]-->
   </head>
   <body>
diff --git a/sigal/themes/galleria/templates/index.html b/sigal/themes/galleria/templates/index.html
index 8b7471b..2e23d49 100644
--- a/sigal/themes/galleria/templates/index.html
+++ b/sigal/themes/galleria/templates/index.html
@@ -9,11 +9,11 @@
     <meta name="author" content="{{ author }}">
     <meta name="viewport" content="width=device-width">
 
-    <link rel="stylesheet" href="http://fonts.googleapis.com/css?family=Molengo">
+    <link rel="stylesheet" href="//fonts.googleapis.com/css?family=Molengo">
     <link rel="stylesheet" href="{{ theme.url }}/css/style.min.css">
     <link rel="stylesheet" href="{{ theme.url }}/css/galleria.classic.css">
     <!--[if lt IE 9]>
-        <script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
+        <script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
     <![endif]-->
   </head>
   <body>
