diff --git a/shortcuts.py b/shortcuts.py
index e803f28..13a1a49 100644
--- a/shortcuts.py
+++ b/shortcuts.py
@@ -51,7 +51,7 @@ def lc_ldap_test(*args, **kwargs):
     except OSError:
         pass
     # On impose le serveur
-    kwargs["uri"] = 'ldap://%s' % DB_TEST_OVERRIDE
+    kwargs["uri"] = 'ldap://%s' % (DB_TEST_OVERRIDE or 'localhost')
     kwargs.setdefault("dn", 'cn=admin,dc=crans,dc=org')
     # Le mot de passe de la base de test
     kwargs.setdefault("cred", variables.ldap_test_password)