diff --git a/addons/l10n_it_edi/models/account_invoice.py b/addons/l10n_it_edi/models/account_invoice.py
index ea28eef9a90..123081e5503 100644
--- a/addons/l10n_it_edi/models/account_invoice.py
+++ b/addons/l10n_it_edi/models/account_invoice.py
@@ -112,7 +112,7 @@ class AccountInvoice(models.Model):
             raise UserError(_("%s must have a street.") % (buyer.display_name))
         if not buyer.zip:
             raise UserError(_("%s must have a post code.") % (buyer.display_name))
-        if len(buyer.zip) != 5:
+        if len(buyer.zip) != 5 and buyer.country_id.code == 'IT':
             raise UserError(_("%s must have a post code of length 5.") % (buyer.display_name))
         if not buyer.city:
             raise UserError(_("%s must have a city.") % (buyer.display_name))