diff --git a/app/serializers/activitypub/add_serializer.rb b/app/serializers/activitypub/add_serializer.rb
index a5f091e3792..c0906e8d036 100644
--- a/app/serializers/activitypub/add_serializer.rb
+++ b/app/serializers/activitypub/add_serializer.rb
@@ -19,6 +19,6 @@ class ActivityPub::AddSerializer < ActiveModel::Serializer
   end
 
   def target
-    account_collection_url(object, :featured)
+    account_collection_url(object.account, :featured)
   end
 end
diff --git a/app/serializers/activitypub/remove_serializer.rb b/app/serializers/activitypub/remove_serializer.rb
index c35ee916e64..c2a5ae1b3a8 100644
--- a/app/serializers/activitypub/remove_serializer.rb
+++ b/app/serializers/activitypub/remove_serializer.rb
@@ -19,6 +19,6 @@ class ActivityPub::RemoveSerializer < ActiveModel::Serializer
   end
 
   def target
-    account_collection_url(object, :featured)
+    account_collection_url(object.account, :featured)
   end
 end