Surah An-Nur, Verse 3

ٱلزَّانِي لَا يَنكِحُ إِلَّا زَانِيَةً أَوۡ مُشۡرِكَةٗ وَٱلزَّانِيَةُ لَا يَنكِحُهَآ إِلَّا زَانٍ أَوۡ مُشۡرِكٞۚ وَحُرِّمَ ذَٰلِكَ عَلَى ٱلۡمُؤۡمِنِينَ٣

al-zānī lā yankiḥu illā zāniyatan aw mush'rikatan wal-zāniyatu lā yankiḥuhā illā zānin aw mush'rikun waḥurrima dhālika ʿalā l-mu'minīna

The fornicator does not marry except a [female] fornicator or polytheist, and none marries her except a fornicator or a polytheist, and that [i.e., marriage to such persons] has been made unlawful to the believers.