diff --git a/model/auth_saml.py b/model/auth_saml.py
index 124719382328aca62d4a546c98619d3a30787287_bW9kZWwvYXV0aF9zYW1sLnB5..970c8ed11a4b05f3a67de5b4a5e65395e50fa3fb_bW9kZWwvYXV0aF9zYW1sLnB5 100644
--- a/model/auth_saml.py
+++ b/model/auth_saml.py
@@ -2,6 +2,7 @@
 from openerp.osv import osv
 import lasso
 import simplejson
+from openerp import SUPERUSER_ID
 
 
 class auth_saml_provider(osv.osv):
@@ -11,8 +12,9 @@
     _description = 'SAML2 provider'
     _order = 'name'
 
-    def _get_lasso_for_provider(self, cr, uid, provider_id, context=None):
-        provider = self.browse(cr, uid, provider_id, context=context)
+    def _get_lasso_for_provider(self, cr, uid, pid, context=None):
+        # user is not connected yet... so use SUPERUSER_ID
+        provider = self.browse(cr, SUPERUSER_ID, pid, context=context)
 
         # TODO: we should cache those results somewhere because it is
         # really costy to always recreate a login variable from buffers
@@ -26,7 +28,7 @@
         )
         return lasso.Login(server)
 
-    def _get_auth_request(self, cr, uid, id_, state, context=None):
+    def _get_auth_request(self, cr, uid, pid, state, context=None):
         """build an authentication request and give it back to our client
         WARNING: this method cannot be used for multiple ids
         """
@@ -30,7 +32,7 @@
         """build an authentication request and give it back to our client
         WARNING: this method cannot be used for multiple ids
         """
-        login = self._get_lasso_for_provider(cr, uid, id_, context=context)
+        login = self._get_lasso_for_provider(cr, uid, pid, context=context)
 
         # ! -- this is the part that MUST be performed on each call and
         # cannot be cached