diff --git a/etc/sssd/sssd.conf b/etc/sssd/sssd.conf
index f35bbda..3aa7e29 100644
--- a/etc/sssd/sssd.conf
+++ b/etc/sssd/sssd.conf
@@ -22,7 +22,8 @@ offline_credentials_expiration = 0
 
 
 [domain/ad.francetelecom.fr]
-id_provider = files
+id_provider = proxy
+proxy_lib_name = files
 min_id = 1000
 max_id = 60000
 #