Musnad Ahmad 33:802

Affan narrated to us, Hammad ibn Salamah narrated to us, Habib al-Mu'allim informed us, from 'Ata', from Jabir, that a man said on the day of the Conquest: "O Messenger of Allah, I vowed that if Allah grants you victory over Makkah, I would pray in Bayt al-Maqdis (Jerusalem)." He said: "Pray here." He asked him again, and he said: "Pray here." He asked him again, and he said: "Then it is your affair."