It's still much discussed if Mirizzi syndrome must be operated in laparoscopy. Many authors stress the importance to make laparoscopy but others refuse absolutely such possibility and they only work in the classic manner. Nobody has still described the injury of right hepatic duct for Mirizzi syndrome Csendes type I during laparoscopic cholecystectomy. The authors report such a case that has been converted in the classic manner due to the importance of the injury for unknown Mirizzi syndrome.