diff --git a/src/BizHawk.Client.Common/config/Config.cs b/src/BizHawk.Client.Common/config/Config.cs
index 963a644ced..e6c1bb2cee 100644
--- a/src/BizHawk.Client.Common/config/Config.cs
+++ b/src/BizHawk.Client.Common/config/Config.cs
@@ -324,6 +324,7 @@ namespace BizHawk.Client.Common
 			[VSystemID.Raw.PCE] = CoreNames.TurboNyma,
 			[VSystemID.Raw.PCECD] = CoreNames.TurboNyma,
 			[VSystemID.Raw.SGX] = CoreNames.TurboNyma,
+			[VSystemID.Raw.PSX] = CoreNames.Nymashock,
 		};
 
 		public bool DontTryOtherCores { get; set; }