diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
index 4e1a0a8d7..5d0b0558b 100644
--- a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
+++ b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
@@ -154,6 +154,10 @@ namespace MediaBrowser.Controller.MediaEncoding
             {
                 return "mpegts";
             }
+            if (string.Equals(container, "m2ts", StringComparison.OrdinalIgnoreCase))
+            {
+                return null;
+            }
 
             return container;
         }