diff --git a/django/sp_sso/saml/views.py b/django/sp_sso/saml/views.py
index c1d9e2c..e863de6 100644
--- a/django/sp_sso/saml/views.py
+++ b/django/sp_sso/saml/views.py
@@ -69,7 +69,7 @@ class RegistrationFormView(FormView):
             if data.get('s_etablissement', [None])[0]:
                 self.request.session['code_etablissement'] = data.get('s_etablissement')[0]
                 initial['s_etablissement'] = ldap_get_description_etablissements(
-                        data.get('s_etablissement')[0])
+                        data.get('s_etablissement')[0]) or data.get('s_etablissement')[0]
         initial['yet_member'] = False
         return initial