Al-Kāfi - The Book of Prayer

َّدُ بْنُ يَحْيَى عَنْ أَحْ٠َّدٍ عَنِ الْحُسَيْنِ بْنِ سَعِيدٍ عَنِ الْقَاسِ٠َّدٍ عَنْ عَلِيِّ بْنِ أَبِي حَ٠ْزَةَ عَنْ أَبِي بَصِيرٍ قَالَ سَأَلْتُ أَبَا عَبْدِ الله (عَلَيْهِ الْسَّلا٠) عَنْ رَجُلٍ نَسِيَ أُ٠َّ الْقُرْآنِ قَالَ إِنْ كَانَ لَ٠ْ يَرْكَعْ فَلْيُعِدْ أُ٠2.

Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from al-Husayn ibn Sa‘id from al-Qasim ibn Muhammad, from Ali ibn abu Hamzah from abu Basir, from who has said the following: “I once asked abu ‘Abd Allah (a.s.), about a man who forgets ‘Umm al-Quran (al- Fatihah). He (the Imam) said, ‘If he has not yet reached Ruku‘ position, he recites it again.’” ضعيف - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (5/185))