diff --git a/Jellyfin.Api/Helpers/StreamingHelpers.cs b/Jellyfin.Api/Helpers/StreamingHelpers.cs
index 74ba423e43..1177879825 100644
--- a/Jellyfin.Api/Helpers/StreamingHelpers.cs
+++ b/Jellyfin.Api/Helpers/StreamingHelpers.cs
@@ -236,7 +236,7 @@ public static class StreamingHelpers
                 }
             }
 
-            if (!EncodingHelper.IsCopyCodec(state.OutputAudioCodec) && string.Equals(state.AudioStream.Codec, state.OutputAudioCodec, StringComparison.OrdinalIgnoreCase) && state.OutputAudioBitrate.HasValue)
+            if (state.AudioStream is not null && !EncodingHelper.IsCopyCodec(state.OutputAudioCodec) && string.Equals(state.AudioStream.Codec, state.OutputAudioCodec, StringComparison.OrdinalIgnoreCase) && state.OutputAudioBitrate.HasValue)
             {
                 state.OutputAudioCodec = state.SupportedAudioCodecs.Where(c => !EncodingHelper.LosslessAudioCodecs.Contains(c)).FirstOrDefault(mediaEncoder.CanEncodeToAudioCodec);
             }