diff --git a/modules/purchase_trade/lot.py b/modules/purchase_trade/lot.py
index 57ea718..a6712b1 100755
--- a/modules/purchase_trade/lot.py
+++ b/modules/purchase_trade/lot.py
@@ -1278,21 +1278,23 @@ class LotQt(
         LotQt = Pool().get('lot.qt')
         Lot = Pool().get('lot.lot')
         purchase = lqt.lot_p.line.purchase
-        lots = []
-        tot_qt = 0
-        for l in vlots:
-            lot,qt = lqt.add_physical_lot(l)
-            lots.append(lot)
-            tot_qt += qt
-                
-        #create move for lots
-        Purchase._process_shipment([purchase],lots) 
-        
-        #update LotQt
-        lqt.lot_quantity -= round(tot_qt,5)
-        if lqt.lot_quantity < 0:
-            lqt.lot_quantity = 0
-        LotQt.save([lqt])
+        lots = []
+        tot_qt = 0
+        with Transaction().set_context(
+                _purchase_trade_skip_quantity_consistency=True):
+            for l in vlots:
+                lot,qt = lqt.add_physical_lot(l)
+                lots.append(lot)
+                tot_qt += qt
+
+            #create move for lots
+            Purchase._process_shipment([purchase],lots)
+
+            #update LotQt
+            lqt.lot_quantity -= round(tot_qt,5)
+            if lqt.lot_quantity < 0:
+                lqt.lot_quantity = 0
+            LotQt.save([lqt])
         affected_lines = []
         if lqt.lot_p and lqt.lot_p.line:
             affected_lines.append(lqt.lot_p.line)