Is it recommended to make up a fast for one who broke a voluntary fast?

The Shaykh : Yes.

The questioner : Our Shaykh, here in the hadith of Abu Sa'id al-Khudri (may Allah be pleased with him), he said: This hadith, meaning, al-Bayhaqi narrated it with a good chain, as the Hafiz said. And I think you authenticated it in some of your books, or graded it as good; I do not remember. Here is a comment by Sayyid Sabiq, who says: "And most of the scholars have held that it is permissible for one who fasts voluntarily to break his fast, and it is recommended for him to make up that day." Do you see, meaning, is there a recommendation in making up the fast?

The Shaykh : We do not say, and we do not add to, the saying of the Messenger (peace and blessings be upon him): "If you wish." And this gives the choice to the voluntary faster. And this is what was explicitly stated in the well-known hadith in the Sunan, where he (peace and blessings be upon him) said: So he has the choice.