diff --git a/DICUI.Library/Utilities/Converters.cs b/DICUI.Library/Utilities/Converters.cs
index c9d43785..4893d1c6 100644
--- a/DICUI.Library/Utilities/Converters.cs
+++ b/DICUI.Library/Utilities/Converters.cs
@@ -1970,6 +1970,8 @@ namespace DICUI.Utilities
                 case "enhanced cdrom":
                 case "enhanced cd-rom":
                     return KnownSystem.EnhancedCD;
+                case "hddvd":
+                case "hddvdv":
                 case "hddvdvideo":
                 case "hddvd-video":
                 case "hd-dvd-video":