diff --git a/account_invoice_section_sale_order/models/account_move.py b/account_invoice_section_sale_order/models/account_move.py
index 80b54fc77c2..70b37d6e531 100644
--- a/account_invoice_section_sale_order/models/account_move.py
+++ b/account_invoice_section_sale_order/models/account_move.py
@@ -10,6 +10,15 @@ class AccountMove(models.Model):
 
     def _get_ordered_invoice_lines(self):
         """Sort invoice lines according to the section ordering"""
+        invoice_section_grouping = self.company_id.invoice_section_grouping
+        if invoice_section_grouping == "sale_order":
+            return self.invoice_line_ids.sorted(
+                key=lambda r: (
+                    f"{r.mapped('sale_line_ids.order_id.id')}"
+                    f"{r.mapped('sale_line_ids.sequence')}"
+                    f"{r.mapped('sale_line_ids.id')}"
+                )
+            )
         return self.invoice_line_ids.sorted(
             key=self.env["account.move.line"]._get_section_ordering()
         )