diff --git a/src/NzbDrone.Core/MediaFiles/DiskScanService.cs b/src/NzbDrone.Core/MediaFiles/DiskScanService.cs
index b6e2fe5f3..179921496 100644
--- a/src/NzbDrone.Core/MediaFiles/DiskScanService.cs
+++ b/src/NzbDrone.Core/MediaFiles/DiskScanService.cs
@@ -33,7 +33,7 @@ namespace NzbDrone.Core.MediaFiles
         IDiskScanService,
         IExecute<RescanFoldersCommand>
     {
-        public static readonly Regex ExcludedSubFoldersRegex = new Regex(@"(?:\\|\/|^)(?:extras|@eadir|extrafanart|plex versions|\.[^\\/]+)(?:\\|\/)", RegexOptions.Compiled | RegexOptions.IgnoreCase);
+        public static readonly Regex ExcludedSubFoldersRegex = new Regex(@"(?:\\|\/|^)(?:extras|@eadir|\.@__thumb|extrafanart|plex versions|\.[^\\/]+)(?:\\|\/)", RegexOptions.Compiled | RegexOptions.IgnoreCase);
         public static readonly Regex ExcludedFilesRegex = new Regex(@"^\._|^Thumbs\.db$|^\.DS_store$|\.partial~$", RegexOptions.Compiled | RegexOptions.IgnoreCase);
 
         private readonly IDiskProvider _diskProvider;