diff --git a/l10n_br_delivery/models/__init__.py b/l10n_br_delivery/models/__init__.py
index 8ce15a2bb494..99607573dbb5 100644
--- a/l10n_br_delivery/models/__init__.py
+++ b/l10n_br_delivery/models/__init__.py
@@ -1,5 +1,6 @@
 # License AGPL-3 - See http://www.gnu.org/licenses/agpl-3.0.html
 
+from . import account_invoice
 from . import delivery_carrier
 from . import vehicle
 from . import sale_order
diff --git a/l10n_br_delivery/models/account_invoice.py b/l10n_br_delivery/models/account_invoice.py
new file mode 100644
index 000000000000..aef89cf5a8a1
--- /dev/null
+++ b/l10n_br_delivery/models/account_invoice.py
@@ -0,0 +1,12 @@
+# Copyright 2019 Akretion (Raphaël Valyi <raphael.valyi@akretion.com>)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import api, models
+
+
+class AccountInvoice(models.Model):
+    _inherit = "account.invoice"
+
+    @api.model
+    def _shadowed_fields(self):
+        return super()._shadowed_fields() + ["incoterm_id"]