Musnad Ahmad 1159:21

'Abd al-Malik ibn 'Amr narrated to us, he said: Ibn Abi Dhi'b narrated to us, from al-Zuhri, from Abu Salamah, from Abu Sufyan ibn Sa'id, from Umm Habibah, that the Prophet, peace and blessings of Allah be upon him, said: "Perform ablution from what fire has touched."