diff --git a/erpnext/buying/doctype/purchase_order/test_purchase_order.py b/erpnext/buying/doctype/purchase_order/test_purchase_order.py
index 5405799b4ec..a30de68a00e 100644
--- a/erpnext/buying/doctype/purchase_order/test_purchase_order.py
+++ b/erpnext/buying/doctype/purchase_order/test_purchase_order.py
@@ -822,6 +822,30 @@ class TestPurchaseOrder(FrappeTestCase):
 		# To test if the PO does NOT have a Blanket Order
 		self.assertEqual(po_doc.items[0].blanket_order, None)
 
+	def test_blanket_order_on_po_close_and_open(self):
+		# Step - 1: Create Blanket Order
+		bo = make_blanket_order(blanket_order_type="Purchasing", quantity=10, rate=10)
+
+		# Step - 2: Create Purchase Order
+		po = create_purchase_order(
+			item_code="_Test Item", qty=5, against_blanket_order=1, against_blanket=bo.name
+		)
+
+		bo.load_from_db()
+		self.assertEqual(bo.items[0].ordered_qty, 5)
+
+		# Step - 3: Close Purchase Order
+		po.update_status("Closed")
+
+		bo.load_from_db()
+		self.assertEqual(bo.items[0].ordered_qty, 0)
+
+		# Step - 4: Re-Open Purchase Order
+		po.update_status("Re-open")
+
+		bo.load_from_db()
+		self.assertEqual(bo.items[0].ordered_qty, 5)
+
 	def test_payment_terms_are_fetched_when_creating_purchase_invoice(self):
 		from erpnext.accounts.doctype.payment_entry.test_payment_entry import (
 			create_payment_terms_template,
@@ -1148,6 +1172,7 @@ def create_purchase_order(**args):
 				"schedule_date": add_days(nowdate(), 1),
 				"include_exploded_items": args.get("include_exploded_items", 1),
 				"against_blanket_order": args.against_blanket_order,
+				"against_blanket": args.against_blanket,
 				"material_request": args.material_request,
 				"material_request_item": args.material_request_item,
 			},