´It was narrated that 'Imran bin Husain said:` The Messenger of Allah said: "There is no vow to commit an act of disobedience and its expiation is the expiation for an oath." Mansur bin Zadhan contradicted him in his wording.
Hadith Referenceسنن نسائي / كتاب الأيمان والنذور / 3879