Fiqh-us-Sunnah Volume 4, Funerals and Dhikr, Fiqh 4.113.
Section : Avoid Supplicating Against (Cursing) Yourself, your Family, or Property..
Jabir reported that the Prophet, peace be upon him, said, “Do not supplicate against your own selves, your children, your servants, or your property, lest you should supplicate at a time when supplications are accepted.”