diff --git a/modules/purchase_trade/invoice.py b/modules/purchase_trade/invoice.py
index eb71bab..a22973b 100644
--- a/modules/purchase_trade/invoice.py
+++ b/modules/purchase_trade/invoice.py
@@ -948,13 +948,9 @@ class Invoice(metaclass=PoolMeta):
             invoice_total += sum(
                 abs(self._get_report_invoice_line_weights(line)[0])
                 for line in negative_lines)
-            current_net, _ = self._get_report_lot_hist_weights(lot)
-            if current_net is None:
-                landed_total += sum(
-                    abs(self._get_report_invoice_line_weights(line)[0])
-                    for line in positive_lines)
-            else:
-                landed_total += current_net
+            landed_total += sum(
+                abs(self._get_report_invoice_line_weights(line)[0])
+                for line in positive_lines)
             matched = True
 
         if not matched: