diff --git a/addons/purchase_stock/models/stock_move.py b/addons/purchase_stock/models/stock_move.py
index 6c4909de3c0..0bad8336972 100644
--- a/addons/purchase_stock/models/stock_move.py
+++ b/addons/purchase_stock/models/stock_move.py
@@ -196,3 +196,6 @@ class StockMove(models.Model):
                 and self.warehouse_id
                 and self.location_dest_id not in self.env["stock.location"].search([("id", "child_of", self.warehouse_id.view_location_id.id)])
         )
+
+    def _get_all_related_aml(self):
+        return super()._get_all_related_aml() | self.purchase_line_id.invoice_lines.move_id.line_ids
diff --git a/addons/purchase_stock/tests/test_stockvaluation.py b/addons/purchase_stock/tests/test_stockvaluation.py
index 60c13be78b0..cea6052c18f 100644
--- a/addons/purchase_stock/tests/test_stockvaluation.py
+++ b/addons/purchase_stock/tests/test_stockvaluation.py
@@ -1462,3 +1462,69 @@ class TestStockValuationWithCOA(AccountTestInvoicingCommon):
         self.assertEqual(svl_diff_01.stock_valuation_layer_id, svl_r01)
         self.assertEqual(svl_diff_02.stock_valuation_layer_id, svl_r01)
         self.assertEqual(svl_diff_03.stock_valuation_layer_id, svl_r02)
+
+    def test_partial_bills_and_reconciliation(self):
+        """
+        Fifo, Auto
+        Receive 5
+        Deliver 5
+        Bill 1 (with price diff)
+        Bill 4 (with price diff)
+        The lines in stock input account should be reconciled
+        """
+        self.product1.categ_id.property_cost_method = 'fifo'
+        self.product1.categ_id.property_valuation = 'real_time'
+
+        warehouse = self.env['stock.warehouse'].search([('company_id', '=', self.env.company.id)], limit=1)
+        stock_location = warehouse.lot_stock_id
+        customer_location = self.env.ref('stock.stock_location_customers')
+
+        po_form = Form(self.env['purchase.order'])
+        po_form.partner_id = self.partner_id
+        with po_form.order_line.new() as po_line:
+            po_line.product_id = self.product1
+            po_line.product_qty = 5
+            po_line.price_unit = 50.0
+        po = po_form.save()
+        po.button_confirm()
+
+        receipt = po.picking_ids[0]
+        receipt.move_ids._set_quantities_to_reservation()
+        receipt.button_validate()
+
+        delivery = self.env['stock.picking'].create({
+            'location_id': stock_location.id,
+            'location_dest_id': customer_location.id,
+            'picking_type_id': warehouse.out_type_id.id,
+            'move_ids': [(0, 0, {
+                'name': self.product1.name,
+                'product_id': self.product1.id,
+                'product_uom_qty': 5,
+                'location_id': stock_location.id,
+                'location_dest_id': customer_location.id,
+            })],
+        })
+        delivery.action_confirm()
+        delivery.move_ids._set_quantities_to_reservation()
+        delivery.button_validate()
+
+        bill01_form = Form(self.env['account.move'].with_context(default_move_type='in_invoice'))
+        bill01_form.invoice_date = bill01_form.date
+        bill01_form.purchase_vendor_bill_id = self.env['purchase.bill.union'].browse(-po.id)
+        bill01 = bill01_form.save()
+        bill01.invoice_line_ids.quantity = 1
+        bill01.invoice_line_ids.price_unit = 60
+        bill01.action_post()
+
+        bill02_form = Form(self.env['account.move'].with_context(default_move_type='in_invoice'))
+        bill02_form.invoice_date = bill02_form.date
+        bill02_form.purchase_vendor_bill_id = self.env['purchase.bill.union'].browse(-po.id)
+        bill02 = bill02_form.save()
+        bill02.invoice_line_ids.quantity = 4
+        bill02.invoice_line_ids.price_unit = 60
+        bill02.action_post()
+
+        input_amls = (bill01 + bill02).line_ids.filtered(lambda aml: aml.account_id == self.stock_input_account)
+        full_reconcile = input_amls[0].full_reconcile_id
+        self.assertTrue(full_reconcile)
+        self.assertTrue(all(aml.full_reconcile_id == full_reconcile for aml in input_amls))
diff --git a/addons/stock_account/models/account_move.py b/addons/stock_account/models/account_move.py
index 5ea9009a272..d1601c4eed7 100644
--- a/addons/stock_account/models/account_move.py
+++ b/addons/stock_account/models/account_move.py
@@ -232,8 +232,9 @@ class AccountMove(models.Model):
 
                     # Search for anglo-saxon lines linked to the product in the stock moves.
                     product_stock_moves = stock_moves.filtered(lambda stock_move: stock_move.product_id == prod)
-                    product_account_moves += product_stock_moves.mapped('account_move_ids.line_ids')\
-                        .filtered(lambda line: line.account_id == product_interim_account and not line.reconciled)
+                    product_account_moves |= product_stock_moves._get_all_related_aml().filtered(
+                        lambda line: line.account_id == product_interim_account and not line.reconciled
+                    )
 
                     # Reconcile.
                     if any(aml.amount_currency and not aml.balance for aml in product_account_moves):
diff --git a/addons/stock_account/models/stock_move.py b/addons/stock_account/models/stock_move.py
index f08fbcbd0d2..a96d74a5e3c 100644
--- a/addons/stock_account/models/stock_move.py
+++ b/addons/stock_account/models/stock_move.py
@@ -593,3 +593,6 @@ class StockMove(models.Model):
             return self.location_id and self.location_id.usage == 'customer'   # goods returned from customer
         if valued_type == 'out':
             return self.location_dest_id and self.location_dest_id.usage == 'supplier'   # goods returned to supplier
+
+    def _get_all_related_aml(self):
+        return self.account_move_ids.line_ids