diff --git a/lib/oidcc/plug/authorization_callback.ex b/lib/oidcc/plug/authorization_callback.ex
index 0e3b336..c6fa13c 100644
--- a/lib/oidcc/plug/authorization_callback.ex
+++ b/lib/oidcc/plug/authorization_callback.ex
@@ -132,6 +132,7 @@ defmodule Oidcc.Plug.AuthorizationCallback do
         :client_id,
         :client_secret,
         :redirect_uri,
+        :preferred_auth_methods,
         check_useragent: true,
         check_peer_ip: true,
         retrieve_userinfo: true,
@@ -165,7 +166,7 @@ defmodule Oidcc.Plug.AuthorizationCallback do
            scopes = :oidcc_scope.parse(scope),
            token_opts =
              opts
-             |> Keyword.take([:request_opts])
+             |> Keyword.take([:request_opts, :preferred_auth_methods])
              |> Map.new()
              |> Map.merge(%{
                nonce: nonce,