1 files changed, 3 insertions, 1 deletions
diff --git a/src/Jellyfin.MediaEncoding.Hls/Playlist/DynamicHlsPlaylistGenerator.cs b/src/Jellyfin.MediaEncoding.Hls/Playlist/DynamicHlsPlaylistGenerator.cs
index 343f3e562..fb5027e5b 100644
--- a/src/Jellyfin.MediaEncoding.Hls/Playlist/DynamicHlsPlaylistGenerator.cs
+++ b/src/Jellyfin.MediaEncoding.Hls/Playlist/DynamicHlsPlaylistGenerator.cs
@@ -35,7 +35,9 @@ public class DynamicHlsPlaylistGenerator : IDynamicHlsPlaylistGenerator
     {
         IReadOnlyList<double> segments;
         // For video transcodes it is sufficient with equal length segments as ffmpeg will create new keyframes
-        if (request.IsRemuxingVideo && TryExtractKeyframes(request.MediaSourceId, request.FilePath, out var keyframeData))
+        if (request.IsRemuxingVideo
+            && request.MediaSourceId is not null
+            && TryExtractKeyframes(request.MediaSourceId.Value, request.FilePath, out var keyframeData))
         {
             segments = ComputeSegments(keyframeData, request.DesiredSegmentLengthMs);
         }