diff --git a/BizHawk.Client.Common/RomLoader.cs b/BizHawk.Client.Common/RomLoader.cs
index 9a71839d03..ae9fade246 100644
--- a/BizHawk.Client.Common/RomLoader.cs
+++ b/BizHawk.Client.Common/RomLoader.cs
@@ -343,6 +343,7 @@ namespace BizHawk.Client.Common
 								case DiscType.MegaCD:
 									game.System = "GEN";
 									break;
+								case DiscType.AudioDisc:
 								case DiscType.TurboCD:
 								case DiscType.UnknownCDFS:
 								case DiscType.UnknownFormat: