diff --git a/client.py b/client.py
index 0bbf28a..a88c7c8 100644
--- a/client.py
+++ b/client.py
@@ -50,8 +50,9 @@ class Ticket(object):
         login = adh['uid'][0].value
         try:
             value = gen_password()
-            adh['userPassword'] = [crans_utils.hash_password(value).decode('ascii')]
-            adh.save()
+            with adh:
+                adh['userPassword'] = [crans_utils.hash_password(value).decode('ascii')]
+                adh.save()
         except EnvironmentError:
             print("Impossible de changer le mot de passe de %s" % login)
             exit(2)