Sunan Ibn Majah 854
سنن ابن ماجه#854Sahihحَدَّثَنَا عُثْمَانُ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا حُمَيْدُ بْنُ عَبْدِ الرَّحْمَنِ، حَدَّثَنَا ابْنُ أَبِي لَيْلَى، عَنْ سَلَمَةَ بْنِ كُهَيْلٍ، عَنْ حُجَيَّةَ بْنِ عَدِيٍّ، عَنْ عَلِيٍّ، قَالَ سَمِعْتُ رَسُولَ اللَّهِ ـ صلى الله عليه وسلم ـ إِذَا قَالَ {وَلاَ الضَّالِّينَ} قَالَ " آمِينَ " .
It was narrated that ‘Ali said:“I heard the Messenger of Allah (ﷺ) saying ‘Amin’ after he said, ‘nor of those who went astray.’[1:]
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Zubair Ali ZaiSahih
In-book reference: 5:52