1 files changed, 4 insertions, 0 deletions
diff --git a/app/lib/activitypub/activity.rb b/app/lib/activitypub/activity.rb
index 6f4a3b491..9b00f0f52 100644
--- a/app/lib/activitypub/activity.rb
+++ b/app/lib/activitypub/activity.rb
@@ -46,6 +46,10 @@ class ActivityPub::Activity
         ActivityPub::Activity::Reject
       when 'Flag'
         ActivityPub::Activity::Flag
+      when 'Add'
+        ActivityPub::Activity::Add
+      when 'Remove'
+        ActivityPub::Activity::Remove
       end
     end
   end