diff --git a/erpnext/manufacturing/doctype/bom_creator/bom_creator.py b/erpnext/manufacturing/doctype/bom_creator/bom_creator.py
index d67f0c3536b..18599b2c20c 100644
--- a/erpnext/manufacturing/doctype/bom_creator/bom_creator.py
+++ b/erpnext/manufacturing/doctype/bom_creator/bom_creator.py
@@ -7,6 +7,7 @@ import frappe
 from frappe import _
 from frappe.model.document import Document
 from frappe.utils import cint, flt, sbool
+from pypika.terms import ValueWrapper
 
 from erpnext.manufacturing.doctype.bom.bom import get_bom_item_rate
 
@@ -373,7 +374,7 @@ def get_children(doctype=None, parent=None, **kwargs):
 		"parent as parent_id",
 		"qty",
 		"idx",
-		"'BOM Creator Item' as doctype",
+		ValueWrapper("BOM Creator Item").as_("doctype"),
 		"name",
 		"uom",
 		"rate",
diff --git a/erpnext/patches/v14_0/single_to_multi_dunning.py b/erpnext/patches/v14_0/single_to_multi_dunning.py
index 3def5922c07..47d13a0e383 100644
--- a/erpnext/patches/v14_0/single_to_multi_dunning.py
+++ b/erpnext/patches/v14_0/single_to_multi_dunning.py
@@ -1,4 +1,5 @@
 import frappe
+from pypika.terms import ValueWrapper
 
 from erpnext.accounts.general_ledger import make_reverse_gl_entries
 
@@ -39,7 +40,7 @@ def execute():
 				"payment_amount",
 				# at the time of creating this dunning, the full amount was outstanding
 				"payment_amount as outstanding",
-				"'0' as paid_amount",
+				ValueWrapper(0).as_("paid_amount"),
 				"discounted_amount",
 			],
 		)
diff --git a/erpnext/projects/doctype/timesheet/timesheet.py b/erpnext/projects/doctype/timesheet/timesheet.py
index 2119d214a61..80552abe895 100644
--- a/erpnext/projects/doctype/timesheet/timesheet.py
+++ b/erpnext/projects/doctype/timesheet/timesheet.py
@@ -383,7 +383,7 @@ def get_timesheet_data(name, project):
 		data = frappe.get_all(
 			"Timesheet",
 			fields=[
-				"(total_billable_amount - total_billed_amount) as billing_amt",
+				{"SUB": ["total_billable_amount", "total_billed_amount"], "as": "billing_amt"},
 				"total_billable_hours as billing_hours",
 			],
 			filters={"name": name},