It wasnarrated that 'Ali said:
"I heard the Messenger of Allah (ﷺ)saying 'Amin' after he said, 'nor of those who wentastray.'[1:7] (IT)
English reference (IT): Vol. 1, Book 5, Hadith 854 (IT)
Arabic reference (IT): Book 5, Hadith 903 (IT)