diff --git a/lib/mobilizon_web/router.ex b/lib/mobilizon_web/router.ex
index ba42d658..369a6d78 100644
--- a/lib/mobilizon_web/router.ex
+++ b/lib/mobilizon_web/router.ex
@@ -20,6 +20,8 @@ defmodule MobilizonWeb.Router do
   end
 
   pipeline :relay do
+    plug(MobilizonWeb.HTTPSignaturePlug)
+    plug(MobilizonWeb.Plugs.MappedSignatureToIdentity)
     plug(:accepts, ["activity-json", "json"])
   end