" لاَ نَذْرَ فِي الْمَعْصِيَةِ وَكَفَّارَتُهُ كَفَّارَةُ الْيَمِينِ "
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.