diff --git a/android/app/src/main/java/com/audiobookshelf/app/data/PlaybackSession.kt b/android/app/src/main/java/com/audiobookshelf/app/data/PlaybackSession.kt
index 2fdd9ee9..0a9c0065 100644
--- a/android/app/src/main/java/com/audiobookshelf/app/data/PlaybackSession.kt
+++ b/android/app/src/main/java/com/audiobookshelf/app/data/PlaybackSession.kt
@@ -91,6 +91,7 @@ class PlaybackSession(
 
   @JsonIgnore
   fun getTrackStartOffsetMs(index:Int):Long {
+    if (index < 0 || index >= audioTracks.size) return 0L
     val currentTrack = audioTracks[index]
     return (currentTrack.startOffset * 1000L).toLong()
   }