diff --git a/lcs/root.ptl b/lcs/root.ptl
index 8619dec..78fba32 100644
--- a/lcs/root.ptl
+++ b/lcs/root.ptl
@@ -362,7 +362,7 @@ class RootDirectory(Directory):
         elif nid_format == 'encrypted':
             login.request.nameIDPolicy.format = lasso.SAML2_NAME_IDENTIFIER_FORMAT_ENCRYPTED
         elif nid_format == 'none':
-            login.request.nameIDPolicy.format = lasso.SAML2_NAME_IDENTIFIER_FORMAT_NONE
+            login.request.nameIDPolicy.format = None
 
         binding = form.get_widget('binding').parse()
         if binding == 'artifact':