Sahih Muslim Book 31, Hadith Number 5956.
Chapter : Merits of Zaid b. Harith and Usama b. Zaid (Allah be pleased with them).
Salim b. ‘Abdullah reported on the authority of his father: We were in the habit of calling Zaid b. Harith as Zaid b. Muhammad until it was revealed in the Qur’an: “Call them by the names of their fathers. This is more equitable with Allah” (This hadith has been transmitted on the authority of Qutaiba b. Sa’d)