diff --git a/addons/account/account_invoice.py b/addons/account/account_invoice.py
index 48e6844e67c..4da3e85c6b6 100644
--- a/addons/account/account_invoice.py
+++ b/addons/account/account_invoice.py
@@ -131,7 +131,7 @@ class account_invoice(models.Model):
                 continue
             # Get the correct line residual amount
             if line.currency_id == self.currency_id:
-                line_amount = line.currency_id and line.amount_residual_currency or line.amount_residual
+                line_amount = line.amount_residual_currency if line.currency_id else line.amount_residual
             else:
                 from_currency = line.company_id.currency_id.with_context(date=line.date)
                 line_amount = from_currency.compute(line.amount_residual, self.currency_id)