diff --git a/erpnext/patches/v12_0/set_cwip_and_delete_asset_settings.py b/erpnext/patches/v12_0/set_cwip_and_delete_asset_settings.py
index 3d07fe5..5842e9e 100644
--- a/erpnext/patches/v12_0/set_cwip_and_delete_asset_settings.py
+++ b/erpnext/patches/v12_0/set_cwip_and_delete_asset_settings.py
@@ -9,13 +9,12 @@
 
 	if frappe.db.exists("DocType","Asset Settings"):
 		frappe.reload_doctype("Company")
-		cwip_value = frappe.db.sql(""" SELECT value FROM `tabSingles` WHERE doctype='Asset Settings'
-			and field='disable_cwip_accounting' """, as_dict=1)
+		cwip_value = frappe.db.get_single_value("Asset Settings","disable_cwip_accounting")
 
 		companies = [x['name'] for x in frappe.get_all("Company", "name")]
 		for company in companies:
-			enable_cwip_accounting = cint(not cint(cwip_value[0]['value']))
-			frappe.set_value("Company", company, "enable_cwip_accounting", enable_cwip_accounting)
+			enable_cwip_accounting = cint(not cint(cwip_value))
+			frappe.db.set_value("Company", company, "enable_cwip_accounting", enable_cwip_accounting)
 
 		frappe.db.sql(
 			""" DELETE FROM `tabSingles` where doctype = 'Asset Settings' """)