diff --git a/erpnext/stock/doctype/pick_list/pick_list.py b/erpnext/stock/doctype/pick_list/pick_list.py
index e2cfb8eeca8..8d251d143a9 100644
--- a/erpnext/stock/doctype/pick_list/pick_list.py
+++ b/erpnext/stock/doctype/pick_list/pick_list.py
@@ -743,7 +743,10 @@ class PickList(TransactionBase):
 				pi_item.serial_no,
 				(
 					Case()
-					.when((pi_item.picked_qty > 0) & (pi_item.docstatus == 1), pi_item.picked_qty)
+					.when(
+						(pi_item.picked_qty > 0) & (pi_item.docstatus == 1),
+						pi_item.picked_qty - pi_item.delivered_qty,
+					)
 					.else_(pi_item.stock_qty)
 				).as_("picked_qty"),
 			)