diff --git a/components/ItemGrid/LoadVideoContentTask.bs b/components/ItemGrid/LoadVideoContentTask.bs
index fcea7c58..b2d4bcb9 100644
--- a/components/ItemGrid/LoadVideoContentTask.bs
+++ b/components/ItemGrid/LoadVideoContentTask.bs
@@ -248,7 +248,14 @@ function defaultSubtitleTrackFromVid(videoID) as integer
     if not isValidAndNotEmpty(meta.json.MediaSources[0].MediaStreams) then return SubtitleSelection.none
 
     subtitles = sortSubtitles(meta.id, meta.json.MediaSources[0].MediaStreams)
-    selectedAudioLanguage = meta.json.MediaSources[0].MediaStreams[m.top.selectedAudioStreamIndex].Language ?? ""
+
+    selectedAudioLanguage = ""
+    audioMediaStream = meta.json.MediaSources[0].MediaStreams[m.top.selectedAudioStreamIndex]
+
+    ' Ensure audio media stream is valid before using language property
+    if isValid(audioMediaStream)
+        selectedAudioLanguage = audioMediaStream.Language ?? ""
+    end if
 
     defaultTextSubs = defaultSubtitleTrack(subtitles["text"], selectedAudioLanguage, true) ' Find correct subtitle track (forced text)
     if defaultTextSubs <> SubtitleSelection.none