diff --git a/sale_product_pack/models/sale_order_line.py b/sale_product_pack/models/sale_order_line.py
index df4ebf736..5ef3d19f5 100644
--- a/sale_product_pack/models/sale_order_line.py
+++ b/sale_product_pack/models/sale_order_line.py
@@ -153,7 +153,11 @@ def _get_pack_line_discount(self):
         if self.pack_parent_line_id.pack_component_price == "detailed":
             for pack_line in self.pack_parent_line_id.product_id.pack_line_ids:
                 if pack_line.product_id == self.product_id:
-                    discount = pack_line.sale_discount
+                    discount = 100.0 - (
+                        (100.0 - self.discount)
+                        * (100.0 - pack_line.sale_discount)
+                        / 100.0
+                    )
                     break
         return discount
 
diff --git a/sale_product_pack/tests/test_sale_product_pack.py b/sale_product_pack/tests/test_sale_product_pack.py
index 4fbaafbc7..572415143 100644
--- a/sale_product_pack/tests/test_sale_product_pack.py
+++ b/sale_product_pack/tests/test_sale_product_pack.py
@@ -335,3 +335,37 @@ def test_create_several_lines_03(self):
         self.assertEqual(sequence_tp, self.sale_order.order_line[2].sequence)
         self.assertEqual(sequence_tp, self.sale_order.order_line[3].sequence)
         self.assertEqual(self.sale_order.order_line[4].product_id, product)
+
+    def test_compute_discount_for_detailed_packs(self):
+        group_discount = self.env.ref("sale.group_discount_per_so_line")
+        self.env.user.write({"groups_id": [(4, group_discount.id)]})
+        product_pack = self.env.ref("product_pack.product_pack_cpu_detailed_components")
+        sale_order = self.env["sale.order"].create(
+            {
+                "partner_id": self.env.ref("base.res_partner_12").id,
+                "pricelist_id": self.discount_pricelist.id,
+                "order_line": [
+                    (
+                        0,
+                        0,
+                        {
+                            "product_id": product_pack.id,
+                            "product_uom_qty": 1,
+                            "pack_component_price": "detailed",
+                        },
+                    )
+                ],
+            }
+        )
+        sale_order.action_update_prices()
+        pack_lines = sale_order.order_line.filtered(
+            lambda line: line.pack_parent_line_id
+        )
+        self.assertEqual(
+            len(pack_lines), 3, "Expected 3 lines for the components of the pack."
+        )
+        self.assertEqual(
+            pack_lines.mapped("discount"),
+            [19, 19, 10],
+            "Discounts for the pack lines are not calculated correctly.",
+        )