Salam aleykom A family member of mine recites ”Ar-Rahman Al-Raheem” in Al-Fatiha. Ive corrected him to say ”Ar-Rahman NirRahem” but he responded with: I recite ”Ar-Raheem” but it still sound like ”Al-Raheem”. Should pray behind him? JazakAllahu khayran

Ustadh AbdulAziz al-Haqqan
Yes, and do not fall into waswas.