وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ نَافِعٍ، عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ ‏"‏ مَنْ شَرِبَ الْخَمْرَ فِي الدُّنْيَا ثُمَّ لَمْ يَتُبْ مِنْهَا حُرِمَهَا فِي الآخِرَةِ ‏"‏ ‏.‏

Yahya related to me from Malik from Nafi from Abdullah ibn Umarthat the Messenger of Allah, may Allah bless him and grant him peace,said "Whoever drinks wine in this world and does not turn from it intawba, it is haram for him in the Next World." Translation Not Available

Book Ref: Muwatta Imam Malik Book 42 Hadith 1550
Web Ref:  Muwatta Imam Malik Book 42 Hadith 11