CONTEXT: Mortality and morbidity due to surgical complications in the field of gynecological laparoscopy have decreased considerably during last years but early clinical diagnosis and treatment are decisive for these patients survival. Herein is reported a case of vesicovaginal fistula as a surgical complication of colposacropexy. CASE PRESENTATION: A case of a 54 years old woman who underwent a subtotal hysterectomy and promontofixation with placement of an ALYTEÂ® Y- Mesh who developed a vesicovaginal fistula. A conservative treatment was attempted at first, but due to its failure, the patient had to be reoperated to correct the defect. CONCLUSION: Although postoperative complications can be diminished with a good knowledge of anatomy as well as good exposure sometimes can be unavoidable and may even go unnoticed. The morbidity of patients to these unforeseen depend on a correct diagnosis ideally intraoperatively and a correct management.