Mishkat al-Masabih 1158

Yahya related to me from Malik from Nafi that Abdullah ibn Umar used to say, "Someone who prays maghrib or subh and then catches them with the imam should not repeat them." Malik said, "I do not see any harm in someone who has already prayed in his house praying with the imam, except for maghrib…

وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ نَافِعٍ، أَنَّ عَبْدَ اللَّهِ بْنَ عُمَرَ، كَانَ يَقُولُ مَنْ صَلَّى الْمَغْرِبَ أَوِ الصُّبْحَ ثُمَّ أَدْرَكَهُمَا مَعَ الإِمَامِ فَلاَ يَعُدْ لَهُمَا ‏.‏ قَالَ مَالِكٌ وَلاَ أَرَى…