diff --git a/Emby.Server.Implementations/ApplicationHost.cs b/Emby.Server.Implementations/ApplicationHost.cs
index ac37cfe079..9330d57198 100644
--- a/Emby.Server.Implementations/ApplicationHost.cs
+++ b/Emby.Server.Implementations/ApplicationHost.cs
@@ -908,7 +908,7 @@ namespace Emby.Server.Implementations
 
             AttachmentExtractor = new MediaBrowser.MediaEncoding.Attachments.AttachmentExtractor(LibraryManager, LoggerFactory, ApplicationPaths, FileSystemManager, MediaEncoder, MediaSourceManager, ProcessFactory);
 
-            serviceCollection.AddSingleton(AttachmentExtractor);
+            serviceCollection.AddSingleton<MediaBrowser.MediaEncoding.Attachments.AttachmentExtractor>();
 
             _displayPreferencesRepository.Initialize();
 
diff --git a/MediaBrowser.MediaEncoding/Attachments/AttachmentExtractor.cs b/MediaBrowser.MediaEncoding/Attachments/AttachmentExtractor.cs
index 6bef1cd5a9..0c8d9ae9c4 100644
--- a/MediaBrowser.MediaEncoding/Attachments/AttachmentExtractor.cs
+++ b/MediaBrowser.MediaEncoding/Attachments/AttachmentExtractor.cs
@@ -59,6 +59,7 @@ namespace MediaBrowser.MediaEncoding.Attachments
             {
                 throw new ArgumentNullException(nameof(item));
             }
+
             if (string.IsNullOrWhiteSpace(mediaSourceId))
             {
                 throw new ArgumentNullException(nameof(mediaSourceId));