diff --git a/lib/pleroma/web/http_signatures/http_signatures.ex b/lib/pleroma/web/http_signatures/http_signatures.ex
index dd3f825db..0af414962 100644
--- a/lib/pleroma/web/http_signatures/http_signatures.ex
+++ b/lib/pleroma/web/http_signatures/http_signatures.ex
@@ -2,6 +2,7 @@
 defmodule Pleroma.Web.HTTPSignatures do
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.Utils
+  alias Pleroma.Web.ActivityPub
   require Logger
 
   def split_signature(sig) do