diff --git a/app/controllers/notifications_controller.rb b/app/controllers/notifications_controller.rb
index cb515169f68..8677493fd3f 100644
--- a/app/controllers/notifications_controller.rb
+++ b/app/controllers/notifications_controller.rb
@@ -5,7 +5,11 @@ class NotificationsController < ApplicationController
   def index
     notifications = Notification.recent_report(current_user, 10)
 
-    current_user.saw_notification_id(notifications.first.id) if notifications.present?
+    if notifications.present?
+      # ordering can be off due to PMs
+      max_id = notifications.map(&:id).max
+      current_user.saw_notification_id(max_id)
+    end
     current_user.reload
     current_user.publish_notifications_state