diff --git a/src/tools.py b/src/tools.py
index aa344c77c..844a2a3ba 100644
--- a/src/tools.py
+++ b/src/tools.py
@@ -201,7 +201,10 @@ def tools_postinstall(
     """
     from yunohost.dyndns import _dyndns_available
     from yunohost.utils.dns import is_yunohost_dyndns_domain
-    from yunohost.utils.password import assert_password_is_strong_enough
+    from yunohost.utils.password import (
+        assert_password_is_strong_enough,
+        assert_password_is_compatible
+    )
     from yunohost.domain import domain_main_domain
     import psutil