((اللَّهُمَّ اكْتُبْ لِي بِهَا عِنْدَكَ أَجْراً، وَضَعْ عَنِّي بِهَا وِزْراً، وَاجْعَلْهَا لِي عِنْدَكَ ذُخْراً، وَتَقَبَّلْهَا مِنِّي كَمَا تَقَبَّلْتَهَا مِنْ عَبْدِكَ دَاوُدَ)).
O Allah, record for me a reward for this (prostration), and remove from me a sin. Save it for me and accept it from me just as You had accepted it from Your servant Dawood.
At-Tirmidhi 2/473, and Al-Hakim who graded it authentic and Ath-Thahabi agreed 1/219.