diff --git a/erpnext/patches/v11_0/create_department_records_for_each_company.py b/erpnext/patches/v11_0/create_department_records_for_each_company.py
index bef524c..17e3ebd 100644
--- a/erpnext/patches/v11_0/create_department_records_for_each_company.py
+++ b/erpnext/patches/v11_0/create_department_records_for_each_company.py
@@ -47,6 +47,9 @@
 				THEN "%s"
 			'''%(company, department, records[department]))
 
+	if not when_then:
+		return
+
 	frappe.db.sql("""
 		update
 			`tab%s`