diff --git a/modules/purchase_trade/sale.py b/modules/purchase_trade/sale.py
index 9ab4cd8..ae3e2b8 100755
--- a/modules/purchase_trade/sale.py
+++ b/modules/purchase_trade/sale.py
@@ -2813,6 +2813,9 @@ class SaleLine(metaclass=PoolMeta):
                 if (not line.lots and line.product.type != 'service'
                         and line.quantity_theorical
                         and Decimal(str(line.quantity_theorical or 0)) != Decimal(0)):
+                    FeeLots = Pool().get('fee.lots')
+                    LotQtHist = Pool().get('lot.qt.hist')
+                    LotQtType = Pool().get('lot.qt.type')
                     Lot = Pool().get('lot.lot')
                     lot = Lot()
                     lot.sale_line = line.id
diff --git a/modules/purchase_trade/tests/test_module.py b/modules/purchase_trade/tests/test_module.py
index ddc04de..f3da85b 100644
--- a/modules/purchase_trade/tests/test_module.py
+++ b/modules/purchase_trade/tests/test_module.py
@@ -6403,6 +6403,74 @@ class PurchaseTradeTestCase(ModuleTestCase):
 
         self.assertIs(matched_line, sale_line_a)
 
+    def test_sale_line_validate_uses_pool_fee_lots_model(self):
+        'sale line validation uses the real fee.lots model for new lot fees'
+        created_fee_lots = []
+        saved_lots = []
+
+        class FakeFeeLots:
+            @classmethod
+            def search(cls, domain):
+                return []
+
+            @classmethod
+            def save(cls, records):
+                created_fee_lots.extend(records)
+
+        class FakeLot:
+            def __init__(self):
+                self.id = 42
+
+            @classmethod
+            def save(cls, records):
+                saved_lots.extend(records)
+
+        class FakeLotQtHist:
+            pass
+
+        class FakeLotQtType:
+            @classmethod
+            def search(cls, domain):
+                return []
+
+        pool = Mock()
+        pool.get.side_effect = lambda name: {
+            'fee.lots': FakeFeeLots,
+            'lot.qt.hist': FakeLotQtHist,
+            'lot.qt.type': FakeLotQtType,
+            'lot.lot': FakeLot,
+            'lot.qt': Mock(search=Mock(return_value=[])),
+        }[name]
+        line = Mock(
+            id=11,
+            product=Mock(type='goods'),
+            lots=[],
+            fees=[SimpleNamespace(id=7)],
+            unit=Mock(),
+            quantity_theorical=Decimal('25'),
+            created_by_code=False,
+            price_components=[],
+            fee_=None,
+        )
+        line.check_pricing.return_value = None
+        line.check_targeted_qt_tolerance.return_value = None
+
+        with patch.object(sale_module, 'Pool', return_value=pool), \
+                patch.object(
+                    sale_module.SaleLine, '_has_invalid_delivery_period',
+                    return_value=False), \
+                patch.object(
+                    sale_module.SaleLine,
+                    '_sync_initial_quantity_from_theorical',
+                    return_value=False), \
+                patch.object(sale_module.SaleLine, 'save'), \
+                patch.object(sale_module.Pnl, 'generate_from_sale_line'):
+            sale_module.SaleLine.validate([line])
+
+        self.assertEqual(len(saved_lots), 1)
+        self.assertEqual(len(created_fee_lots), 1)
+        self.assertEqual(created_fee_lots[0].sale_line, line.id)
+
     def test_custom_duplicate_match_pair_lots_links_new_quantities(self):
         'custom duplicate matches the new purchase and sale lot.qt rows'
         saved = []