diff --git a/Model/Player/Backends/MPVBackend.swift b/Model/Player/Backends/MPVBackend.swift
index 70220e5f..d2aae712 100644
--- a/Model/Player/Backends/MPVBackend.swift
+++ b/Model/Player/Backends/MPVBackend.swift
@@ -326,13 +326,28 @@ final class MPVBackend: PlayerBackend {
                         startPlaying()
                     }
 
-                    stream.audioAsset = AVURLAsset(url: stream.audioTracks[stream.selectedAudioTrackIndex].url)
-                    let fileToLoad = self.model.musicMode ? stream.audioAsset.url : stream.videoAsset.url
-                    let audioTrack = self.model.musicMode ? nil : stream.audioAsset.url
+                    // Handle streams with multiple audio tracks
+                    if !stream.audioTracks.isEmpty {
+                        if stream.selectedAudioTrackIndex >= stream.audioTracks.count {
+                            stream.selectedAudioTrackIndex = 0
+                        }
+                        
+                        stream.audioAsset = AVURLAsset(url: stream.audioTracks[stream.selectedAudioTrackIndex].url)
+                        let fileToLoad = self.model.musicMode ? stream.audioAsset.url : stream.videoAsset.url
+                        let audioTrack = self.model.musicMode ? nil : stream.audioAsset.url
 
-                    client.loadFile(fileToLoad, audio: audioTrack, bitrate: stream.bitrate, kind: stream.kind, sub: captions?.url, time: time, forceSeekable: stream.kind == .hls) { [weak self] _ in
-                        self?.isLoadingVideo = true
-                        self?.pause()
+                        client.loadFile(fileToLoad, audio: audioTrack, bitrate: stream.bitrate, kind: stream.kind, sub: captions?.url, time: time, forceSeekable: stream.kind == .hls) { [weak self] _ in
+                            self?.isLoadingVideo = true
+                            self?.pause()
+                        }
+                    } else {
+                        // Fallback for streams without separate audio tracks (e.g., single asset streams)
+                        let fileToLoad = stream.videoAsset.url
+                        
+                        client.loadFile(fileToLoad, bitrate: stream.bitrate, kind: stream.kind, sub: captions?.url, time: time, forceSeekable: stream.kind == .hls) { [weak self] _ in
+                            self?.isLoadingVideo = true
+                            self?.pause()
+                        }
                     }
                 }
             }
@@ -739,6 +754,12 @@ final class MPVBackend: PlayerBackend {
 
     func switchAudioTrack(to index: Int) {
         guard let stream, let video else { return }
+        
+        // Validate the index is within bounds
+        guard index >= 0 && index < stream.audioTracks.count else {
+            logger.error("Invalid audio track index: \(index), available tracks: \(stream.audioTracks.count)")
+            return
+        }
 
         stream.selectedAudioTrackIndex = index
         model.saveTime { [weak self] in