1 files changed, 10 insertions, 0 deletions
diff --git a/app/serializers/activitypub/note_serializer.rb b/app/serializers/activitypub/note_serializer.rb
index 4c13f8e59..bc8eb8a35 100644
--- a/app/serializers/activitypub/note_serializer.rb
+++ b/app/serializers/activitypub/note_serializer.rb
@@ -8,6 +8,8 @@ class ActivityPub::NoteSerializer < ActiveModel::Serializer
   has_many :media_attachments, key: :attachment
   has_many :virtual_tags, key: :tag
 
+  attribute :atom_uri, key: '_:atomUri', if: :local?
+
   def id
     ActivityPub::TagManager.instance.uri_for(object)
   end
@@ -52,6 +54,14 @@ class ActivityPub::NoteSerializer < ActiveModel::Serializer
     object.mentions + object.tags
   end
 
+  def atom_uri
+    ::TagManager.instance.uri_for(object)
+  end
+
+  def local?
+    object.account.local?
+  end
+
   class MediaAttachmentSerializer < ActiveModel::Serializer
     include RoutingHelper