diff --git a/sympa.module b/sympa.module
index a77924f..be207e3 100644
--- a/sympa.module
+++ b/sympa.module
@@ -75,8 +75,9 @@ function sympa_build_email($type, $sympa_nid, $sympa_title, $sympa_body, $servic
   $options = ['absolute' => TRUE];
   $here = Url::fromRoute('entity.node.canonical', ['node' => $sympa_nid], $options);
   $more_info = Url::fromRoute('entity.node.canonical', ['node' => 2514], $options);
-  $unsubscribe_n = Url::fromUri('internal:/gg/unsubscribe/news');
-  $unsubscribe_sa = Url::fromUri('internal:/gg/unsubscribe/service_alert');
+  $un_options = ['absolute' => TRUE, 'fragment' => 'unsubscribe'];
+  $unsubscribe_n = Url::fromRoute('entity.node.canonical', ['node' => 31540], $un_options);
+  $unsubscribe_sa = Url::fromRoute('entity.node.canonical', ['node' => 31539], $un_options);
   $config = \Drupal::config('system.site');
   $body_xss = isset($sympa_body[0]['value']) ? Xss::filterAdmin($sympa_body[0]['value']) : NULL;
   $body_stripped = $body_xss ? preg_replace("/<img[^>]+\>/i", " ", $body_xss) : '';