Sayyiduna ‘Adi bin Hatim (may Allah be pleased with him) narrates that the Noble Prophet (peace and blessings be upon him) said: “There are two types of vows. So whoever makes a vow for the sake of Allah, let him fulfill it, and whoever makes a vow concerning disobedience to Allah, its expiation is the same as the expiation for breaking an oath.”
Hadith Referenceسنن الدارقطني / النذور / 4317
Hadith Takhrij«أخرجه الدارقطني فى ((سننه)) برقم: 4317 ، انفرد به المصنف من هذا الطريق»