Objective: To present a case of a labyrinthine fistula caused by chronic otitis media with improved hearing and dizziness after Canal Wall Down Mastoidectomy with Temporalis Fascia Repair Methods: Design: Case Report Setting: General Tertiary Government Training Hospital Patient: One (1) Result: Patient underwent Canal Wall Down mastoidectomy, left with temporalis fascia repair of the labyrinthine fistula. Post-operatively, patient reported remarkable relief of dizziness. Negative Fistula test was documented. Three months postoperative, no recurrence of dizziness and an improved hearing with a pure tone average of AC 30, BC 11.67 SRT at 45 dB, SDS 100% at 80 on the left ear. Conclusion: Diagnosis of labyrinthine fistula is challenging. There is no single test to confirm it’s diagnosis preoperatively. The sole reliable method is an intra-operative visualization of fistula. Good post-operative hearing and vestibular symptoms improvement are possible with careful evaluation of location of the labyrinthine fistula and planning before and during the surgical intervention.