Musnad Abu Ya'la al-Mawsili 2:120

Nasr ibn Ali ibn Nasr narrated to us, Muslim narrated to us, from al-Dujayn, from Aslam, the freed slave of Umar, from Umar ibn al-Khattab, from the Prophet (may Allah bless him and grant him peace), who said: "Whoever lies about me intentionally, let him take his seat in the Fire."