Musnad Abu Ya'la al-Mawsili 153:190

Abu Ma'mar narrated to us, Yazid bin Harun narrated to us, from Layth bin Sa'd, from Yazid bin Abi Habib, from Ibn Umar, the like of it. He said: "So that reaches the Prophet, may Allah bless him and grant him peace, and he does not disapprove of it."