diff --git a/purchase_sale_inter_company/models/sale_order.py b/purchase_sale_inter_company/models/sale_order.py
index 4f4fd17c377..cd7619106b9 100644
--- a/purchase_sale_inter_company/models/sale_order.py
+++ b/purchase_sale_inter_company/models/sale_order.py
@@ -20,5 +20,5 @@ def action_confirm(self):
         for order in self.filtered("auto_purchase_order_id"):
             for line in order.order_line.sudo():
                 if line.auto_purchase_line_id:
-                    line.auto_purchase_line_id.price_unit = line.price_unit
+                    line._intercompany_update_purchase_line_price()
         return super().action_confirm()
diff --git a/purchase_sale_inter_company/models/sale_order_line.py b/purchase_sale_inter_company/models/sale_order_line.py
index 4b46651f4f6..ae6dc715de3 100644
--- a/purchase_sale_inter_company/models/sale_order_line.py
+++ b/purchase_sale_inter_company/models/sale_order_line.py
@@ -15,3 +15,14 @@ class SaleOrderLine(models.Model):
         readonly=True,
         copy=False,
     )
+
+    def _intercompany_update_purchase_line_price(self):
+        """Writes the net price (price_unit after discount) to the purchase line.
+
+        Can be inherited in other modules to change the behavior, for example
+        if discounts are available in the purchase order.
+        """
+        self.ensure_one()
+        self.auto_purchase_line_id.price_unit = self.price_unit * (
+            1 - self.discount / 100
+        )
diff --git a/purchase_sale_inter_company/tests/test_inter_company_purchase_sale.py b/purchase_sale_inter_company/tests/test_inter_company_purchase_sale.py
index 8c51f9415fc..c7410764137 100644
--- a/purchase_sale_inter_company/tests/test_inter_company_purchase_sale.py
+++ b/purchase_sale_inter_company/tests/test_inter_company_purchase_sale.py
@@ -167,6 +167,14 @@ def test_so_change_price(self):
         sale.action_confirm()
         self.assertEqual(self.purchase_company_a.order_line.price_unit, 10)
 
+    def test_so_change_price_with_discount(self):
+        self.company_b.sale_auto_validation = False
+        sale = self._approve_po()
+        sale.order_line.price_unit = 100
+        sale.order_line.discount = 10
+        sale.action_confirm()
+        self.assertEqual(self.purchase_company_a.order_line.price_unit, 90.0)
+
     def test_po_with_contact_as_partner(self):
         contact = self.env["res.partner"].create(
             {"name": "Test contact", "parent_id": self.partner_company_b.id}