diff --git a/addons/portal/controllers/portal.py b/addons/portal/controllers/portal.py
index 845c2936243..87e3108a2b3 100644
--- a/addons/portal/controllers/portal.py
+++ b/addons/portal/controllers/portal.py
@@ -174,6 +174,7 @@ class CustomerPortal(Controller):
             if not error:
                 values = {key: post[key] for key in self.MANDATORY_BILLING_FIELDS}
                 values.update({key: post[key] for key in self.OPTIONAL_BILLING_FIELDS if key in post})
+                values.update({'country_id': int(values.pop('country_id', 0))})
                 values.update({'zip': values.pop('zipcode', '')})
                 if values.get('state_id') == '':
                     values.update({'state_id': False})