diff --git a/modules/account_invoice/invoice.py b/modules/account_invoice/invoice.py
index a6af844..6a90680 100755
--- a/modules/account_invoice/invoice.py
+++ b/modules/account_invoice/invoice.py
@@ -1287,9 +1287,11 @@ class Invoice(Workflow, ModelSQL, ModelView, TaxableMixin, InvoiceReportMixin):
         if self.payment_term:
             payment_date = self.payment_term_date or self.invoice_date or today
             model = str(self.lines[0].origin).split(",")[0] if self.lines[0].origin else None
+            logger.info("MODEL:%s",model)
             if model:
                 Line = Pool().get(model)
                 line = Line(int(str(self.lines[0].origin).split(",")[1]))
+                logger.info("LINE:%s",line)
                 term_lines = self.payment_term.compute(
                     self.total_amount, self.currency, payment_date, line)
         else: