diff --git a/addons/purchase/models/account_invoice.py b/addons/purchase/models/account_invoice.py
index 053702f5d84..d813c28f9d8 100644
--- a/addons/purchase/models/account_invoice.py
+++ b/addons/purchase/models/account_invoice.py
@@ -186,13 +186,13 @@ class AccountInvoice(models.Model):
                                     if child.type_tax_use != 'none':
                                         tax_ids.append((4, child.id, None))
                         price_before = line.get('price', 0.0)
-                        line.update({'price': company_currency.round(valuation_price_unit * line['quantity'])})
+                        line.update({'price': inv.currency_id.round(valuation_price_unit * line['quantity'])})
                         diff_res.append({
                             'type': 'src',
                             'name': i_line.name[:64],
-                            'price_unit': company_currency.round(price_unit - valuation_price_unit),
+                            'price_unit': inv.currency_id.round(price_unit - valuation_price_unit),
                             'quantity': line['quantity'],
-                            'price': company_currency.round(price_before - line.get('price', 0.0)),
+                            'price': inv.currency_id.round(price_before - line.get('price', 0.0)),
                             'account_id': acc,
                             'product_id': line['product_id'],
                             'uom_id': line['uom_id'],