diff --git a/templates/layouts/swagg.html.ep b/templates/layouts/swagg.html.ep
index 7e803a2..6dd5002 100644
--- a/templates/layouts/swagg.html.ep
+++ b/templates/layouts/swagg.html.ep
@@ -26,7 +26,8 @@
 <script>
   function closeIt() {
       document.getElementById("gdpr").style.display = "none";
-      document.cookie = "banner=seen; <%= $sessionLife %>;";
+      document.cookie =
+          "banner=seen; Max-Age=<%= $sessionLife %>; SameSite=Lax";
   }
 
   function playIt() {