diff --git a/user_io.cpp b/user_io.cpp
index ef306bd..8ec9b5e 100644
--- a/user_io.cpp
+++ b/user_io.cpp
@@ -264,7 +264,7 @@ char is_c64()
 static int is_psx_type = 0;
 char is_psx()
 {
-	if (!is_psx_type) is_psx_type = strcasecmp(core_name, "PlayStation") ? 2 : 1;
+	if (!is_psx_type) is_psx_type = strcasecmp(core_name, "PSX") ? 2 : 1;
 	return (is_psx_type == 1);
 }