diff --git a/src/renderer/audio/audio.js b/src/renderer/audio/audio.js
index 680f4dc9..547f9b5a 100644
--- a/src/renderer/audio/audio.js
+++ b/src/renderer/audio/audio.js
@@ -192,6 +192,7 @@ const CiderAudio = {
             }
         }
         // Find max gain
+        let maxGain = -120
         for (let i = 0; i < steps; i++) {
             let gain = totalAmplitudeResp[i];
             if (gain > maxGain)