diff --git a/src/yunohost/user.py b/src/yunohost/user.py
index d0c432c56..ebed6dbd2 100644
--- a/src/yunohost/user.py
+++ b/src/yunohost/user.py
@@ -280,7 +280,7 @@ def user_update(operation_logger, auth, username, firstname=None, lastname=None,
         remove_mailalias -- Mail aliases to remove
 
     """
-    from yunohost.domain import domain_list
+    from yunohost.domain import domain_list, _get_maindomain
     from yunohost.app import app_ssowatconf
     from yunohost.utils.password import assert_password_is_strong_enough