diff --git a/docker-compose.yml b/docker-compose.yml
index 7c11525f2..dbb56a62d 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -52,6 +52,7 @@ services:
       sh -c "cd test_project
              python3 manage.py migrate
              python3 manage.py load_initial_data --dev
+             python3 manage.py set_default_site --name localhost --domain localhost
              django-admin compilemessages
              python3 manage.py runserver_plus 0.0.0.0:8000 --cert-file cert.crt"
     depends_on:
diff --git a/modoboa/core/fido2_auth.py b/modoboa/core/fido2_auth.py
index 35d680ae2..dd505bd00 100644
--- a/modoboa/core/fido2_auth.py
+++ b/modoboa/core/fido2_auth.py
@@ -34,7 +34,6 @@ def begin_registration(request):
         ),
         list(get_creds_from_user(request.user.pk).values()),
         user_verification=UserVerificationRequirement.DISCOURAGED,
-        extensions={"credentialProtectionPolicy": "userVerificationOptional"},
     )
     request.session["fido2_state"] = state
     return dict(options)