diff --git a/modoboa/ldapsync/tests.py b/modoboa/ldapsync/tests.py
index 293d8d27f..398de8603 100644
--- a/modoboa/ldapsync/tests.py
+++ b/modoboa/ldapsync/tests.py
@@ -127,5 +127,5 @@ class LDAPImportTestCase(ModoTestCase):
         call_command("import_from_ldap_directory")
         self.assertTrue(core_models.User.objects.filter(
             username="testuser@example.com").exists())
-        admin = core_models.User.objects.get(username="mailadmin")
+        admin = core_models.User.objects.get(username="mailadmin@example.com")
         self.assertEqual(admin.role, "DomainAdmins")