diff --git a/lib/service/activity_pub/utils.ex b/lib/service/activity_pub/utils.ex
index 0c0782254..9ce2e19a7 100644
--- a/lib/service/activity_pub/utils.ex
+++ b/lib/service/activity_pub/utils.ex
@@ -137,7 +137,9 @@ defmodule Mobilizon.Service.ActivityPub.Utils do
         "text" => object_data["content"],
         "url" => object_data["id"],
         "actor_id" => actor_id,
-        "in_reply_to_comment_id" => object_data["inReplyTo"]
+        "in_reply_to_comment_id" => object_data["inReplyTo"],
+        # probably
+        "local" => false
       }
 
       require Logger