diff --git a/app/models/notification_group.rb b/app/models/notification_group.rb
index 43612d49bb..093fdbe33c 100644
--- a/app/models/notification_group.rb
+++ b/app/models/notification_group.rb
@@ -29,5 +29,6 @@ class NotificationGroup < ActiveModelSerializers::Model
            :target_status,
            :report,
            :account_relationship_severance_event,
+           :account_warning,
            to: :notification, prefix: false
 end