diff --git a/modules/carrefourbanque/browser.py b/modules/carrefourbanque/browser.py
index 11a00b30f73bea99b190aa4b9466ffe836a608da..61017233699e7f75ddb19da757fcaae783fbe729 100644
--- a/modules/carrefourbanque/browser.py
+++ b/modules/carrefourbanque/browser.py
@@ -21,6 +21,7 @@
 from weboob.browser import LoginBrowser, URL, need_login, StatesMixin
 from weboob.exceptions import BrowserIncorrectPassword, NocaptchaQuestion
 from weboob.capabilities.bank import Account
+from weboob.tools.compat import basestring
 
 from .pages import (
     LoginPage, HomePage, IncapsulaResourcePage, LoanHistoryPage, CardHistoryPage, SavingHistoryPage,