Musnad Ahmad 1007:117

'Abd al-Malik ibn 'Amr and 'Abd al-Wahhab al-Khaffaf narrated to us, they said: Hisham narrated to us, he said: Yahya wrote to me that 'Abd Allah ibn Abi Qatadah narrated to him, from his father, that the Prophet, peace and blessings of Allah be upon him, said: "When the call to prayer is made, do not stand up until you see me."