diff --git a/addons/account_edi_facturx/models/account_edi_format.py b/addons/account_edi_facturx/models/account_edi_format.py
index 196553ddc40..7da91c9db6f 100644
--- a/addons/account_edi_facturx/models/account_edi_format.py
+++ b/addons/account_edi_facturx/models/account_edi_format.py
@@ -256,12 +256,19 @@ class AccountEdiFormat(models.Model):
                         # Price Unit.
                         line_elements = element.xpath('.//ram:GrossPriceProductTradePrice/ram:ChargeAmount', namespaces=tree.nsmap)
                         if line_elements:
-                            invoice_line_form.price_unit = float(line_elements[0].text) / invoice_line_form.quantity
+                            quantity_elements = element.xpath('.//ram:GrossPriceProductTradePrice/ram:BasisQuantity', namespaces=tree.nsmap)
+                            if quantity_elements:
+                                invoice_line_form.price_unit = float(line_elements[0].text) / float(quantity_elements[0].text)
+                            else:
+                                invoice_line_form.price_unit = float(line_elements[0].text)
                         else:
                             line_elements = element.xpath('.//ram:NetPriceProductTradePrice/ram:ChargeAmount', namespaces=tree.nsmap)
                             if line_elements:
-                                invoice_line_form.price_unit = float(line_elements[0].text) / invoice_line_form.quantity
-
+                                quantity_elements = element.xpath('.//ram:NetPriceProductTradePrice/ram:BasisQuantity', namespaces=tree.nsmap)
+                                if quantity_elements:
+                                    invoice_line_form.price_unit = float(line_elements[0].text) / float(quantity_elements[0].text)
+                                else:
+                                    invoice_line_form.price_unit = float(line_elements[0].text)
                         # Discount.
                         line_elements = element.xpath('.//ram:AppliedTradeAllowanceCharge/ram:CalculationPercent', namespaces=tree.nsmap)
                         if line_elements: