diff --git a/src/mame/drivers/naomi.c b/src/mame/drivers/naomi.c
index 7a675ef7e13..897f24bef25 100644
--- a/src/mame/drivers/naomi.c
+++ b/src/mame/drivers/naomi.c
@@ -7181,7 +7181,7 @@ ROM_START( ss2005 )
 	ROM_LOAD("ss2005-default-eeprom.bin", 0, 0x80, CRC(26bd9003) SHA1(f35551c96c49eef5473ff50a94b82ef5110b0f10))
 
 	DISK_REGION( "gdrom" )
-	DISK_IMAGE_READONLY( "gdl-0031a", 0,BAD_DUMP  SHA1(6091525845fc2042ed43cae5a1b60c603e16cf97) )
+	DISK_IMAGE_READONLY( "gdl-0031a", 0, SHA1(6702a3a67c3e40217e382578e4eb8d0ddc5dbbe4) )
 
 	ROM_REGION( 0x4000, "pic", ROMREGION_ERASEFF)
 	//PIC16C622A (317-5108-JPN)