From Sahih Muslim (Hadith 5390):
This hadith has been narrated on the authority of Ash'ath b. Abu ashSha'tha' with the same chain of transmitters (and with these words):There is no doubt about the words: To fulfil the vows were mentioned and this addition had been made in the. hadith: (The Holy Prophet) forbade drinking in silver vessels, for one who drinks (in them) in this world would not drink (in them) in the Hereafter
Reference: Muslim 5390