diff --git a/erpnext/patches/v13_0/set_status_in_maintenance_schedule_table.py b/erpnext/patches/v13_0/set_status_in_maintenance_schedule_table.py
index bf6285dbf91..9887ad9df0c 100644
--- a/erpnext/patches/v13_0/set_status_in_maintenance_schedule_table.py
+++ b/erpnext/patches/v13_0/set_status_in_maintenance_schedule_table.py
@@ -2,6 +2,7 @@ import frappe
 
 
 def execute():
+	frappe.reload_doc("maintenance", "doctype", "Maintenance Schedule Detail")
 	frappe.db.sql("""
 		UPDATE `tabMaintenance Schedule Detail`
 		SET completion_status = 'Pending'