diff --git a/resources/js/notifications.js b/resources/js/notifications.js
index 87f4f3f..adfd8a6 100644
--- a/resources/js/notifications.js
+++ b/resources/js/notifications.js
@@ -11,8 +11,8 @@ export default function NotificationsInit() {
 
     notificationClose.addEventListener('click', () => {
       notification.classList.add('notification--dismissed');
-      document.cookie = `${notificationId}=dismissed; path=/; max-age=30`;
-      // document.cookie = `${notificationId}=dismissed; path=/; max-age=${30 * 86400}`; // 86400 = 1 day
+      const thirtyDays = 30 * 86400;
+      document.cookie = `${notificationId}=dismissed; path=/; max-age=${thirtyDays}`;
     });
   });
 }