Maliks Muwatta Book 2, Hadith Number 62.
Section : Wudu on Account of Touching the Genitals.
Yahya related to me from Malik from Nafi that Abdullah ibn Umar used to say, “If you touch your penis you have to do wudu.”
Yahya related to me from Malik from Nafi that Abdullah ibn Umar used to say, “If you touch your penis you have to do wudu.”