diff --git a/MediaBrowser.Model/Entities/MediaStream.cs b/MediaBrowser.Model/Entities/MediaStream.cs
index 64c7d9aa6c..6a3c08425f 100644
--- a/MediaBrowser.Model/Entities/MediaStream.cs
+++ b/MediaBrowser.Model/Entities/MediaStream.cs
@@ -89,7 +89,7 @@ namespace MediaBrowser.Model.Entities
 
                     if (!string.IsNullOrEmpty(Language))
                     {
-                        attributes.Add(Language);
+                        attributes.Add(StringHelper.FirstToUpper(Language));
                     }
                     if (!string.IsNullOrEmpty(Codec))
                     {