diff --git a/kfet/static/kfet/js/kfet.js b/kfet/static/kfet/js/kfet.js
index 7aa1d963..6ed1b2c0 100644
--- a/kfet/static/kfet/js/kfet.js
+++ b/kfet/static/kfet/js/kfet.js
@@ -67,7 +67,7 @@ function getErrorsHtml(data) {
     }
     if ('negative' in data['errors']) {
         var url_base = "{% url 'kfet.account.update' LIQ}";
-        url_base = base_url(0, url_base.length-8);
+        url_base = url_base(0, url_base.length-8);
         for (var i=0; i<data['errors']['negative'].length; i++) {
             content += '<a class="btn btn-primary" href="'+url_base+data['errors']['negative'][i]+'/edit" target="_blank" style="width:100%">Autorisation de négatif requise pour '+data['errors']['negative'][i]+'</a>';
         }