diff --git a/addons/sale_mrp/tests/test_sale_mrp_flow.py b/addons/sale_mrp/tests/test_sale_mrp_flow.py
index d2b7dda61e5..f5a93130e21 100644
--- a/addons/sale_mrp/tests/test_sale_mrp_flow.py
+++ b/addons/sale_mrp/tests/test_sale_mrp_flow.py
@@ -2234,6 +2234,57 @@ class TestSaleMrpFlow(ValuationReconciliationTestCommon):
         self.assertEqual(cogs_aml.debit, 10)
         self.assertEqual(cogs_aml.credit, 0)
 
+    def test_kit_avco_amls_reconciliation(self):
+        self.stock_account_product_categ.property_cost_method = 'average'
+
+        compo01, compo02, kit = self.env['product.product'].create([{
+            'name': name,
+            'type': 'product',
+            'standard_price': price,
+            'categ_id': self.stock_account_product_categ.id,
+            'invoice_policy': 'delivery',
+        } for name, price in [
+            ('Compo 01', 10),
+            ('Compo 02', 20),
+            ('Kit', 0),
+        ]])
+
+        self.env['stock.quant']._update_available_quantity(compo01, self.company_data['default_warehouse'].lot_stock_id, 1)
+        self.env['stock.quant']._update_available_quantity(compo02, self.company_data['default_warehouse'].lot_stock_id, 1)
+
+        self.env['mrp.bom'].create({
+            'product_id': kit.id,
+            'product_tmpl_id': kit.product_tmpl_id.id,
+            'product_uom_id': kit.uom_id.id,
+            'product_qty': 1.0,
+            'type': 'phantom',
+            'bom_line_ids': [
+                (0, 0, {'product_id': compo01.id, 'product_qty': 1.0}),
+                (0, 0, {'product_id': compo02.id, 'product_qty': 1.0}),
+            ],
+        })
+
+        so = self.env['sale.order'].create({
+            'partner_id': self.partner_a.id,
+            'order_line': [
+                (0, 0, {
+                    'name': kit.name,
+                    'product_id': kit.id,
+                    'product_uom_qty': 1.0,
+                    'product_uom': kit.uom_id.id,
+                    'price_unit': 5,
+                    'tax_id': False,
+                })],
+        })
+        so.action_confirm()
+        so.picking_ids.move_line_ids.qty_done = 1
+        so.picking_ids.button_validate()
+
+        invoice = so._create_invoices()
+        invoice.action_post()
+
+        self.assertEqual(len(invoice.line_ids.filtered('reconciled')), 1)
+
     def test_avoid_removing_kit_bom_in_use(self):
         so = self.env['sale.order'].create({
             'partner_id': self.partner_a.id,
diff --git a/addons/sale_stock/models/stock.py b/addons/sale_stock/models/stock.py
index 50ad69b5c21..045b60d8085 100644
--- a/addons/sale_stock/models/stock.py
+++ b/addons/sale_stock/models/stock.py
@@ -48,6 +48,8 @@ class StockMove(models.Model):
                     subtype_xmlid='mail.mt_note',
                 )
 
+    def _get_all_related_sm(self, product):
+        return super()._get_all_related_sm(product) | self.filtered(lambda m: m.sale_line_id.product_id == product)
 
 class ProcurementGroup(models.Model):
     _inherit = 'procurement.group'