diff --git a/erpnext/patches/v11_0/rename_bom_wo_fields.py b/erpnext/patches/v11_0/rename_bom_wo_fields.py
index 882ec84e644..55dce6355cd 100644
--- a/erpnext/patches/v11_0/rename_bom_wo_fields.py
+++ b/erpnext/patches/v11_0/rename_bom_wo_fields.py
@@ -7,8 +7,7 @@ from frappe.model.utils.rename_field import rename_field
 
 def execute():
     # updating column value to handle field change from Data to Currency
-    changed_field = "base_scrap_material_cost"
-    frappe.db.sql(f"update `tabBOM` set {changed_field} = '0' where trim(coalesce({changed_field}, ''))= ''")
+    frappe.db.sql(f"update `tabBOM` set base_scrap_material_cost = '0' where trim(coalesce(base_scrap_material_cost, ''))= ''")
 
     for doctype in ['BOM Explosion Item', 'BOM Item', 'Work Order Item', 'Item']:
         if frappe.db.has_column(doctype, 'allow_transfer_for_manufacture'):
@@ -30,4 +29,4 @@ def execute():
         else:
             frappe.db.sql(""" UPDATE `tab%s`
                 SET transfer_material_against = 'Work Order'
-                WHERE docstatus < 2""" % (doctype))
\ No newline at end of file
+                WHERE docstatus < 2""" % (doctype))