diff --git a/app/jobs/activity_pub/fetch_job.rb b/app/jobs/activity_pub/fetch_job.rb
index e9220bfc..42b2cb27 100644
--- a/app/jobs/activity_pub/fetch_job.rb
+++ b/app/jobs/activity_pub/fetch_job.rb
@@ -9,6 +9,8 @@
 # autenticación.
 class ActivityPub
   class FetchJob < ApplicationJob
+    include Que::Unique
+
     self.priority = 50
 
     def perform(site:, object_id:)
@@ -32,7 +34,7 @@ class ActivityPub
         return if current_type == object.type
 
         object = ::ActivityPub::Object.find(object_id)
-        object.actor.save if object.actor_type?
+        object.actor&.save if object.actor_type?
 
         # Arreglar las relaciones con actividades también
         ActivityPub.where(object_id: object.id).update_all(object_type: object.type)