diff --git a/FFMpegCore/FFProbe/MediaAnalysis.cs b/FFMpegCore/FFProbe/MediaAnalysis.cs
index 68f175b..f314c26 100644
--- a/FFMpegCore/FFProbe/MediaAnalysis.cs
+++ b/FFMpegCore/FFProbe/MediaAnalysis.cs
@@ -67,7 +67,7 @@ private AudioStream ParseAudioStream(FFProbeStream stream)
                 CodecLongName = stream.CodecLongName,
                 Channels = stream.Channels ?? default,
                 ChannelLayout = stream.ChannelLayout,
-                Duration = TimeSpan.FromSeconds(ParseDoubleInvariant(stream.Duration ?? stream.Tags.Duration ?? "0")),
+                Duration = TimeSpan.FromSeconds(ParseDoubleInvariant(stream.Duration ?? stream.Tags?.Duration ?? "0")),
                 SampleRateHz = !string.IsNullOrEmpty(stream.SampleRate) ? ParseIntInvariant(stream.SampleRate) : default,
                 Language = stream.Tags?.Language
             };