diff --git a/app/controllers/registrar/sessions_controller.rb b/app/controllers/registrar/sessions_controller.rb
index 9cda1e2ab..e77b40c57 100644
--- a/app/controllers/registrar/sessions_controller.rb
+++ b/app/controllers/registrar/sessions_controller.rb
@@ -44,6 +44,7 @@ class Registrar::SessionsController < Devise::SessionsController
     end
 
     if @depp_user.pki
+      logger.error request.env['HTTP_SSL_CLIENT_CERT']
       unless @api_user.registrar_pki_ok?(request.env['HTTP_SSL_CLIENT_CERT'])
         @depp_user.errors.add(:base, :invalid_cert)
       end