1 files changed, 3 insertions, 3 deletions
diff --git a/MediaBrowser.Model/Dlna/DirectPlayProfile.cs b/MediaBrowser.Model/Dlna/DirectPlayProfile.cs
index 03c3a7265..f68235d86 100644
--- a/MediaBrowser.Model/Dlna/DirectPlayProfile.cs
+++ b/MediaBrowser.Model/Dlna/DirectPlayProfile.cs
@@ -18,17 +18,17 @@ namespace MediaBrowser.Model.Dlna
         [XmlAttribute("type")]
         public DlnaProfileType Type { get; set; }
 
-        public bool SupportsContainer(string container)
+        public bool SupportsContainer(string? container)
         {
             return ContainerProfile.ContainsContainer(Container, container);
         }
 
-        public bool SupportsVideoCodec(string codec)
+        public bool SupportsVideoCodec(string? codec)
         {
             return Type == DlnaProfileType.Video && ContainerProfile.ContainsContainer(VideoCodec, codec);
         }
 
-        public bool SupportsAudioCodec(string codec)
+        public bool SupportsAudioCodec(string? codec)
         {
             return (Type == DlnaProfileType.Audio || Type == DlnaProfileType.Video) && ContainerProfile.ContainsContainer(AudioCodec, codec);
         }