Patients with vestibular fistula have a good functional outcome after posterior sagittal anorectoplasty (PSARP). While continence is often preserved, close follow-up and management of constipation are often required. Redo anorectal surgery has been associated with worse functional outcomes compared with primary procedures, possibly due to injury and scarring of the pelvic floor musculature and sphincter complex. Our group has a growing experience in the use of intraoperative real-time magnetic resonance imaging (MRI) for anorectal malformation repairs. We present a case of salvage operation of a failed PSARP for vestibular fistula.