A patient presented with abdominal pain and fainting due to an enlarging abdominal aortic aneurysm (AAA) from an untreated type 1 endoleak following endovascular aneurysm repair (EVAR). Careful planning was used and the type 1 endoleak was radically treated by replacing the proximal part of the endoprosthesis to seal the leak and stop further AAA enlargement.