diff --git a/dom/notification/test/mochitest/test_notification_permissions.html b/dom/notification/test/mochitest/test_notification_permissions.html
index e37b9828672a..0492a51c8e4b 100644
--- a/dom/notification/test/mochitest/test_notification_permissions.html
+++ b/dom/notification/test/mochitest/test_notification_permissions.html
@@ -22,6 +22,8 @@ add_task(async function test_notifications_permission() {
     set: [
       // Set pref to exercise relevant code path for regression test.
       ["permissions.delegation.enable", true],
+      // Automatically dismiss the permission request when it appears.
+      ["dom.webnotifications.requireuserinteraction", true],
     ],
   });