diff --git a/erpnext/manufacturing/doctype/work_order/test_work_order.py b/erpnext/manufacturing/doctype/work_order/test_work_order.py
index 0e150fee23a..975216d1bd9 100644
--- a/erpnext/manufacturing/doctype/work_order/test_work_order.py
+++ b/erpnext/manufacturing/doctype/work_order/test_work_order.py
@@ -198,6 +198,21 @@ class TestWorkOrder(ERPNextTestCase):
 		self.assertEqual(cint(bin1_on_end_production.reserved_qty_for_production),
 			cint(bin1_on_start_production.reserved_qty_for_production))
 
+	def test_reserved_qty_for_production_closed(self):
+
+		wo1 = make_wo_order_test_record(item="_Test FG Item", qty=2,
+			source_warehouse=self.warehouse)
+		item = wo1.required_items[0].item_code
+		bin_before = get_bin(item, self.warehouse)
+		bin_before.update_reserved_qty_for_production()
+
+		make_wo_order_test_record(item="_Test FG Item", qty=2,
+			source_warehouse=self.warehouse)
+		close_work_order(wo1.name, "Closed")
+
+		bin_after = get_bin(item, self.warehouse)
+		self.assertEqual(bin_before.reserved_qty_for_production, bin_after.reserved_qty_for_production)
+
 	def test_backflush_qty_for_overpduction_manufacture(self):
 		cancel_stock_entry = []
 		allow_overproduction("overproduction_percentage_for_work_order", 30)
diff --git a/erpnext/manufacturing/doctype/work_order/work_order.py b/erpnext/manufacturing/doctype/work_order/work_order.py
index c5daba58c3d..46e02b0cdd4 100644
--- a/erpnext/manufacturing/doctype/work_order/work_order.py
+++ b/erpnext/manufacturing/doctype/work_order/work_order.py
@@ -8,6 +8,8 @@ from dateutil.relativedelta import relativedelta
 from frappe import _
 from frappe.model.document import Document
 from frappe.model.mapper import get_mapped_doc
+from frappe.query_builder import Case
+from frappe.query_builder.functions import Sum
 from frappe.utils import (
 	cint,
 	date_diff,
@@ -1171,3 +1173,27 @@ def create_pick_list(source_name, target_doc=None, for_qty=None):
 	doc.set_item_locations()
 
 	return doc
+
+def get_reserved_qty_for_production(item_code: str, warehouse: str) -> float:
+	"""Get total reserved quantity for any item in specified warehouse"""
+	wo = frappe.qb.DocType("Work Order")
+	wo_item = frappe.qb.DocType("Work Order Item")
+
+	return (
+	frappe.qb
+		.from_(wo)
+		.from_(wo_item)
+		.select(Sum(Case()
+				.when(wo.skip_transfer == 0, wo_item.required_qty - wo_item.transferred_qty)
+				.else_(wo_item.required_qty - wo_item.consumed_qty))
+			)
+		.where(
+			(wo_item.item_code == item_code)
+			& (wo_item.parent == wo.name)
+			& (wo.docstatus == 1)
+			& (wo_item.source_warehouse == warehouse)
+			& (wo.status.notin(["Stopped", "Completed", "Closed"]))
+			& ((wo_item.required_qty > wo_item.transferred_qty)
+				| (wo_item.required_qty > wo_item.consumed_qty))
+		)
+	).run()[0][0] or 0.0
diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index 0a7eb33f66b..4bbeb64ce1c 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -347,4 +347,5 @@ erpnext.patches.v13_0.hospitality_deprecation_warning
 erpnext.patches.v13_0.delete_bank_reconciliation_detail
 erpnext.patches.v13_0.update_sane_transfer_against
 erpnext.patches.v13_0.enable_provisional_accounting
-erpnext.patches.v13_0.update_disbursement_account
\ No newline at end of file
+erpnext.patches.v13_0.update_disbursement_account
+erpnext.patches.v13_0.update_reserved_qty_closed_wo
diff --git a/erpnext/patches/v13_0/update_reserved_qty_closed_wo.py b/erpnext/patches/v13_0/update_reserved_qty_closed_wo.py
new file mode 100644
index 00000000000..00926b09241
--- /dev/null
+++ b/erpnext/patches/v13_0/update_reserved_qty_closed_wo.py
@@ -0,0 +1,28 @@
+import frappe
+
+from erpnext.stock.utils import get_bin
+
+
+def execute():
+
+	wo = frappe.qb.DocType("Work Order")
+	wo_item = frappe.qb.DocType("Work Order Item")
+
+	incorrect_item_wh = (
+		frappe.qb
+			.from_(wo)
+			.join(wo_item).on(wo.name == wo_item.parent)
+			.select(wo_item.item_code, wo.source_warehouse).distinct()
+			.where(
+				(wo.status == "Closed")
+				& (wo.docstatus == 1)
+				& (wo.source_warehouse.notnull())
+			)
+	).run()
+
+	for item_code, warehouse in incorrect_item_wh:
+		if not (item_code and warehouse):
+			continue
+
+		bin = get_bin(item_code, warehouse)
+		bin.update_reserved_qty_for_production()
diff --git a/erpnext/stock/doctype/bin/bin.py b/erpnext/stock/doctype/bin/bin.py
index 1d874cd06fb..b2ec15690c2 100644
--- a/erpnext/stock/doctype/bin/bin.py
+++ b/erpnext/stock/doctype/bin/bin.py
@@ -31,23 +31,9 @@ class Bin(Document):
 	def update_reserved_qty_for_production(self):
 		'''Update qty reserved for production from Production Item tables
 			in open work orders'''
-		self.reserved_qty_for_production = frappe.db.sql('''
-			SELECT
-				SUM(CASE WHEN ifnull(skip_transfer, 0) = 0 THEN
-					item.required_qty - item.transferred_qty
-				ELSE
-					item.required_qty - item.consumed_qty END)
-				END
-			FROM `tabWork Order` pro, `tabWork Order Item` item
-			WHERE
-				item.item_code = %s
-				and item.parent = pro.name
-				and pro.docstatus = 1
-				and item.source_warehouse = %s
-				and pro.status not in ("Stopped", "Completed")
-				and (item.required_qty > item.transferred_qty or item.required_qty > item.consumed_qty)
-		''', (self.item_code, self.warehouse))[0][0]
+		from erpnext.manufacturing.doctype.work_order.work_order import get_reserved_qty_for_production
 
+		self.reserved_qty_for_production = get_reserved_qty_for_production(self.item_code, self.warehouse)
 		self.set_projected_qty()
 
 		self.db_set('reserved_qty_for_production', flt(self.reserved_qty_for_production))