diff --git a/erpnext/selling/doctype/sales_order/sales_order.py b/erpnext/selling/doctype/sales_order/sales_order.py
index aa8be395176..57bbd0a7998 100755
--- a/erpnext/selling/doctype/sales_order/sales_order.py
+++ b/erpnext/selling/doctype/sales_order/sales_order.py
@@ -1618,15 +1618,20 @@ def make_maintenance_schedule(source_name: str, target_doc: str | Document | Non
 
 @frappe.whitelist()
 def make_maintenance_visit(source_name: str, target_doc: str | Document | None = None):
-	visit = frappe.db.sql(
-		"""select t1.name
-		from `tabMaintenance Visit` t1, `tabMaintenance Visit Purpose` t2
-		where t2.parent=t1.name and t2.prevdoc_docname=%s
-		and t1.docstatus=1 and t1.completion_status='Fully Completed'""",
-		source_name,
+	MaintenanceVisit = frappe.qb.DocType("Maintenance Visit")
+	MaintenanceVisitPurpose = frappe.qb.DocType("Maintenance Visit Purpose")
+
+	query = (
+		frappe.qb.from_(MaintenanceVisit)
+		.join(MaintenanceVisitPurpose)
+		.on(MaintenanceVisitPurpose.parent == MaintenanceVisit.name)
+		.select(MaintenanceVisit.name)
+		.where(MaintenanceVisitPurpose.prevdoc_docname == source_name)
+		.where(MaintenanceVisit.docstatus == 1)
+		.where(MaintenanceVisit.completion_status == "Fully Completed")
 	)
 
-	if not visit:
+	if not query.run():
 		doclist = get_mapped_doc(
 			"Sales Order",
 			source_name,