Sunan An-Nasa'i

Urwah bin Ruwaim narrated that :Ibn Ad-Dailami rode looking for 'Abdullah bin 'Amr bin Al-'As. Ibn Ad-Dailami said: ""I entered upon him and said: 'O 'Abdullah bin 'Amr, did you hear the Messenger of Allah [SAW] say anything concerning Khamr?' He said: 'Yes, I heard the Messenger of Allah [SAW] say: If a man among my Ummah drinks Khamr, Allah will not accept his Salah for forty days