diff --git a/erpnext/manufacturing/doctype/blanket_order/blanket_order.py b/erpnext/manufacturing/doctype/blanket_order/blanket_order.py
index d7ef3ce2acc..983f19f31d1 100644
--- a/erpnext/manufacturing/doctype/blanket_order/blanket_order.py
+++ b/erpnext/manufacturing/doctype/blanket_order/blanket_order.py
@@ -149,7 +149,11 @@ def make_order(source_name: str):
 		"Blanket Order",
 		source_name,
 		{
-			"Blanket Order": {"doctype": doctype, "postprocess": update_doc},
+			"Blanket Order": {
+				"doctype": doctype,
+				"field_no_map": ["naming_series"],
+				"postprocess": update_doc,
+			},
 			"Blanket Order Item": {
 				"doctype": doctype + " Item",
 				"field_map": {"rate": "blanket_order_rate", "parent": "blanket_order"},
diff --git a/erpnext/manufacturing/doctype/blanket_order/test_blanket_order.py b/erpnext/manufacturing/doctype/blanket_order/test_blanket_order.py
index 284dffc91b7..e0a25c9a359 100644
--- a/erpnext/manufacturing/doctype/blanket_order/test_blanket_order.py
+++ b/erpnext/manufacturing/doctype/blanket_order/test_blanket_order.py
@@ -25,6 +25,7 @@ class TestBlanketOrder(ERPNextTestSuite):
 		so.submit()
 
 		self.assertEqual(so.doctype, "Sales Order")
+		self.assertNotEqual(so.naming_series, bo.naming_series)
 		self.assertEqual(len(so.get("items")), len(bo.get("items")))
 
 		# check the rate, quantity and updation for the ordered quantity
@@ -50,6 +51,7 @@ class TestBlanketOrder(ERPNextTestSuite):
 		po.submit()
 
 		self.assertEqual(po.doctype, "Purchase Order")
+		self.assertNotEqual(po.naming_series, bo.naming_series)
 		self.assertEqual(len(po.get("items")), len(bo.get("items")))
 
 		# check the rate, quantity and updation for the ordered quantity