diff --git a/MediaBrowser.Model/Entities/MediaStream.cs b/MediaBrowser.Model/Entities/MediaStream.cs
index 569c9cacdb..1b37cfc939 100644
--- a/MediaBrowser.Model/Entities/MediaStream.cs
+++ b/MediaBrowser.Model/Entities/MediaStream.cs
@@ -200,7 +200,7 @@ namespace MediaBrowser.Model.Entities
                             return result.ToString();
                         }
 
-                        return string.Join(' ', attributes);
+                        return string.Join(" ", attributes);
                     }
 
                     case MediaStreamType.Subtitle: