diff --git a/modules/purchase_trade/invoice.py b/modules/purchase_trade/invoice.py
index a22973b..dc9ed6f 100644
--- a/modules/purchase_trade/invoice.py
+++ b/modules/purchase_trade/invoice.py
@@ -949,7 +949,7 @@ class Invoice(metaclass=PoolMeta):
                 abs(self._get_report_invoice_line_weights(line)[0])
                 for line in negative_lines)
             landed_total += sum(
-                abs(self._get_report_invoice_line_weights(line)[0])
+                abs(self._get_report_invoice_line_quantity_from_line(line))
                 for line in positive_lines)
             matched = True
 
diff --git a/modules/purchase_trade/tests/test_module.py b/modules/purchase_trade/tests/test_module.py
index 35d3f78..9532e29 100644
--- a/modules/purchase_trade/tests/test_module.py
+++ b/modules/purchase_trade/tests/test_module.py
@@ -6817,6 +6817,9 @@ class PurchaseTradeTestCase(ModuleTestCase):
             quantity=Decimal('999.990'),
             unit=mt,
             lot=shared_lot,
+            lot_weight_snapshots=[
+                Mock(net_quantity=Decimal('999995'), gross_quantity=Decimal('999992'), unit=kg),
+            ],
         )
 
         invoice = Invoice()