diff --git a/erpnext/stock/doctype/serial_and_batch_bundle/serial_and_batch_bundle.py b/erpnext/stock/doctype/serial_and_batch_bundle/serial_and_batch_bundle.py
index 2a9bcd4edd6..1c08f217ba2 100644
--- a/erpnext/stock/doctype/serial_and_batch_bundle/serial_and_batch_bundle.py
+++ b/erpnext/stock/doctype/serial_and_batch_bundle/serial_and_batch_bundle.py
@@ -2596,11 +2596,11 @@ def get_reserved_batches_for_pos(kwargs) -> dict:
 
 		key = (row.batch_no, row.warehouse)
 		if key in pos_batches:
-			pos_batches[key]["qty"] -= row.qty * -1 if row.is_return else row.qty
+			pos_batches[key]["qty"] += row.qty * -1
 		else:
 			pos_batches[key] = frappe._dict(
 				{
-					"qty": (row.qty * -1 if not row.is_return else row.qty),
+					"qty": row.qty * -1,
 					"warehouse": row.warehouse,
 				}
 			)