diff --git a/main.js b/main.js
index edc0263..a381085 100644
--- a/main.js
+++ b/main.js
@@ -8,7 +8,7 @@
   }
 
   function init ($) {
-    var contentDeliveryUrl = "http://content-delivery.istex.fr/web-header/"
+    var contentDeliveryUrl = "https://content-delivery.istex.fr/web-header/"
       ;
 
     contentDeliveryUrl = ~window.location.hostname.match(/localhost|127\.0\.0\.1/) && window.location.href || contentDeliveryUrl;
@@ -63,4 +63,4 @@
     e.preventDefault();
   }
 
-}());
\ No newline at end of file
+}());