Musnad Abu Ya'la al-Mawsili 152:130

Abu Ya'la Ahmad ibn Ali ibn al-Muthanna al-Mawsili informed us, Abu Khaythama narrated to us, Muhammad ibn Khazim narrated to us, al-A'mash narrated to us, from Shaqiq, from Abdullah, who said: The Messenger of Allah (may Allah bless him and grant him peace) said a word, and I said another. The Messenger of Allah (may Allah bless him and grant him peace) said: "Whoever dies while not associating anything with Allah shall enter Paradise." He said: And I said: "And whoever dies while associating something with Allah shall enter the Fire."