حَدَّثَنِي أَحْمَدُ بْنُ عَبْدِ الرَّحْمَنِ بْنِ وَهْبٍ، حَدَّثَنِي عَمِّي عَبْدُ اللَّهِ، حَدَّثَنِي دَاوُدُ بْنُ قَيْسٍ، عَنْ زَيْدِ بْنِ أَسْلَمَ، بِهَذَا الإِسْنَادِ وَفِي مَعْنَاهُ قَالَ ‏ "‏ يَسْجُدُ سَجْدَتَيْنِ قَبْلَ السَّلاَمِ ‏"‏ ‏.‏ كَمَا قَالَ سُلَيْمَانُ بْنُ بِلاَلٍ ‏.‏

This hadith has been narrated by Zaid b. Aslam with the same chain of transmitters and he said: He should perform two prostrations before the salutation, as it was mentioned by Sulaiman b. Bilal.

— Sahih Muslim, Book 5: The Book of Mosques and Places of Prayer, Hadith #1173