diff --git a/account_usability/account.py b/account_usability/account.py
index 4430335..72fcbbd 100644
--- a/account_usability/account.py
+++ b/account_usability/account.py
@@ -130,6 +130,9 @@ class AccountAnalyticAccount(models.Model):
class AccountMoveLine(models.Model):
_inherit = 'account.move.line'
+ # Update field only to add a string (there is no string in account module)
+ invoice_id = fields.Many2one(string='Invoice')
+
@api.onchange('credit')
def _credit_onchange(self):
prec = self.env['decimal.precision'].precision_get('Account')
diff --git a/account_usability/account_view.xml b/account_usability/account_view.xml
index 33379a2..2cad87d 100644
--- a/account_usability/account_view.xml
+++ b/account_usability/account_view.xml
@@ -191,6 +191,9 @@ module -->
+
+
+