diff --git a/src/mame/drivers/viper.c b/src/mame/drivers/viper.c
index 257fb18cf45..beb91dfa81b 100644
--- a/src/mame/drivers/viper.c
+++ b/src/mame/drivers/viper.c
@@ -667,7 +667,7 @@ ROM_START(ppp2nd)
 	ROM_REGION(0x2000, "m48t58", ROMREGION_ERASE00)		/* M48T58 Timekeeper NVRAM */
 
 	DISK_REGION( "ide" )
-	DISK_IMAGE( "ppp2nd", 0, MD5(06012243d4b64ebd9b81e9781fb5624d) SHA1(54b45e2df3f4239191000900181a94227a351c67))
+	DISK_IMAGE( "ppp2nd", 0, SHA1(b8b90483d515c83eac05ffa617af19612ea990b0))
 ROM_END
 
 /* Viper games with Compact Flash card */