Abu Dawud said: Ibn Sirin narrated from Abu Hurairah the words: "he should complete it afterwards." Similarly, Abu Rafi' narrated from Abu Hurairah and Abu Dharr narrated from him the words "then complete it, and complete it afterwards." There is a variation of words in the narration from him.
In-book : Book 2, Hadith 183
English translation : Book 2, Hadith 573