diff --git a/lib/nulla_web/controllers/actor_controller.ex b/lib/nulla_web/controllers/actor_controller.ex
index 8e88551..c4b8479 100644
--- a/lib/nulla_web/controllers/actor_controller.ex
+++ b/lib/nulla_web/controllers/actor_controller.ex
@@ -17,7 +17,7 @@ defmodule NullaWeb.ActorController do
         |> json(%{error: "Not Found"})
 
       %Actor{} = actor ->
-        if accept =~ "json" do
+        if accept in ["application/activity+json", "application/ld+json"] do
           conn
           |> put_resp_content_type("application/activity+json")
           |> send_resp(200, Jason.encode!(ActivityPub.actor(actor)))