diff --git a/djangosaml2idp/processors.py b/djangosaml2idp/processors.py
index 3f78a2b..69c2cf4 100644
--- a/djangosaml2idp/processors.py
+++ b/djangosaml2idp/processors.py
@@ -46,19 +46,19 @@ def get_nameid_persistent(cls, user_id, sp_entityid='', idp_entityid='', user=No
         return '!'.join([idp_entityid, sp_entityid, cls._get_nameid_opaque(user_id, salt=str(user.pk).encode())])
 
     @classmethod
-    def get_nameid_email(cls, user_id):
+    def get_nameid_email(cls, user_id, **kwargs):
         if '@' not in user_id:
             raise Exception("user_id {} does not contain the '@' symbol, so is not a valid NameID Email address format.".format(user_id))
         return user_id
 
     @classmethod
-    def get_nameid_transient(cls, user_id):
+    def get_nameid_transient(cls, user_id, **kwargs):
         """ This would return EPPN
         """
         return user_id
 
     @classmethod
-    def get_nameid_unspecified(cls, user_id):
+    def get_nameid_unspecified(cls, user_id, **kwargs):
         """ returns user_id as is
         """
         return user_id