diff --git a/lib/policy_service_web/plugs/authorize_roles.ex b/lib/policy_service_web/plugs/authorize_roles.ex
index c6a1b0e..6afe610 100644
--- a/lib/policy_service_web/plugs/authorize_roles.ex
+++ b/lib/policy_service_web/plugs/authorize_roles.ex
@@ -64,8 +64,8 @@ defmodule PolicyServiceWeb.Plugs.AuthorizeRoles do
 
   defp get_roles_map(conn, roles_claim) do
     case conn.private[Oidcc.Plug.IntrospectToken] do
-      %{extra: %{^roles_claim => %{} = roles_map}} ->
-        Map.get(roles_map, roles_claim, %{})
+      %Oidcc.TokenIntrospection{extra: extra} ->
+        Map.get(extra, roles_claim, %{})
 
       _ ->
         %{}