diff --git a/plugins/ActivityPub/Util/Model/Activity.php b/plugins/ActivityPub/Util/Model/Activity.php
index 1208dc1ef4..23bcb770b2 100644
--- a/plugins/ActivityPub/Util/Model/Activity.php
+++ b/plugins/ActivityPub/Util/Model/Activity.php
@@ -170,8 +170,8 @@ class Activity extends Model
             'actor'     => $object->getActor()->getUri(Router::ABSOLUTE_URL),
         ];
 
-        $attr['to'] = [];
-        $attr['cc'] = ['https://www.w3.org/ns/activitystreams#Public'];
+        $attr['to'] = ['https://www.w3.org/ns/activitystreams#Public'];
+        $attr['cc'] = [];
         foreach ($object->getAttentionTargets() as $target) {
             $attr['cc'][] = $target->getUri();
         }
@@ -191,6 +191,7 @@ class Activity extends Model
         }
 
         if (!\is_string($attr['object'])) {
+            $attr['@context'] = $attr['object']->get('@context');
             $attr['object']->set('@context', null);
         }
         $type = self::jsonToType($attr);