diff --git a/app/controllers/notifications_controller.rb b/app/controllers/notifications_controller.rb
index 517199e93..e3aff82e6 100644
--- a/app/controllers/notifications_controller.rb
+++ b/app/controllers/notifications_controller.rb
@@ -3,7 +3,7 @@ class NotificationsController < ApplicationController
     if current_user.blank?
       redirect_to root_path
     else
-      current_user.newest_active_unread_notification.mark_as_read! for: current_user
+      current_user.newest_active_unread_notification.mark_as_read! for: current_user if current_user.newest_active_unread_notification.present?
       redirect_back(fallback_location: root_path)
     end
   end