diff --git a/MediaBrowser.Common/Net/MimeTypes.cs b/MediaBrowser.Common/Net/MimeTypes.cs
index 000b77049a..c11ff59d5d 100644
--- a/MediaBrowser.Common/Net/MimeTypes.cs
+++ b/MediaBrowser.Common/Net/MimeTypes.cs
@@ -135,7 +135,7 @@ namespace MediaBrowser.Common.Net
             {
                 return "image/gif";
             }
-            if (ext.Equals(".jpg", StringComparison.OrdinalIgnoreCase) || ext.Equals(".jpeg", StringComparison.OrdinalIgnoreCase))
+            if (ext.Equals(".jpg", StringComparison.OrdinalIgnoreCase) || ext.Equals(".jpeg", StringComparison.OrdinalIgnoreCase) || ext.Equals(".tbn", StringComparison.OrdinalIgnoreCase))
             {
                 return "image/jpeg";
             }
diff --git a/MediaBrowser.Controller/Entities/BaseItem.cs b/MediaBrowser.Controller/Entities/BaseItem.cs
index e7424d6c1e..3459c25976 100644
--- a/MediaBrowser.Controller/Entities/BaseItem.cs
+++ b/MediaBrowser.Controller/Entities/BaseItem.cs
@@ -52,7 +52,7 @@ namespace MediaBrowser.Controller.Entities
         /// <summary>
         /// The supported image extensions
         /// </summary>
-        public static readonly string[] SupportedImageExtensions = new[] { ".png", ".jpg", ".jpeg" };
+        public static readonly string[] SupportedImageExtensions = new[] { ".png", ".jpg", ".jpeg", ".tbn" };
 
         /// <summary>
         /// The trailer folder name