diff --git a/app/services/delete_account_service.rb b/app/services/delete_account_service.rb
index 3a082c7c84e..a2d535d2627 100644
--- a/app/services/delete_account_service.rb
+++ b/app/services/delete_account_service.rb
@@ -267,7 +267,7 @@ class DeleteAccountService < BaseService
   end
 
   def delete_actor_json
-    @delete_actor_json ||= Oj.dump(serialize_payload(@account, ActivityPub::DeleteActorSerializer))
+    @delete_actor_json ||= Oj.dump(serialize_payload(@account, ActivityPub::DeleteActorSerializer, signer: @account, always_sign: true))
   end
 
   def delivery_inboxes