diff --git a/src/mame/drivers/naomi.c b/src/mame/drivers/naomi.c
index 027b390761c..b44cb57d9cd 100644
--- a/src/mame/drivers/naomi.c
+++ b/src/mame/drivers/naomi.c
@@ -6335,7 +6335,7 @@ ROM_START( undefeat )
 	ROM_LOAD("undefeat-default-eeprom.bin", 0, 0x80, CRC(9d2b071c) SHA1(88d90c23b9c2a6aa61bdf318d074a9cfa5c145e5))
 
 	DISK_REGION( "gdrom" )
-	DISK_IMAGE_READONLY( "gdl-0035", 0, SHA1(91da482a6a082e48bee5b3bd20d9c92d23936965) )
+	DISK_IMAGE_READONLY( "gdl-0035", 0, SHA1(3beade0a544b549ee06be5b51536950e3eaabe71) )
 
 	ROM_REGION( 0x4000, "pic", ROMREGION_ERASEFF)
 	//PIC16C622A (317-5117-JPN)