Intra luminal gallbladder bleeding is a rare cause of hemobilia that results in upper gastro-intestinal bleeding. In this case report we present a patient who presented with melena and eventually was diagnosed as bleeding from an ulcer in the gallbladder which was induced by gallstones and eroded into the cystic artery. Surgery revealed perforation of gallbladder which was the result of a pressure sore induced by a second gallstone.