diff --git a/src/mame/drivers/model1.c b/src/mame/drivers/model1.c
index dff911f1c3f..d6d32f9df14 100644
--- a/src/mame/drivers/model1.c
+++ b/src/mame/drivers/model1.c
@@ -1486,7 +1486,7 @@ ROM_START( netmerc )
 	ROM_RELOAD( 0x80000, 0x20000) // ?
 
 	ROM_REGION( 0x400000, M1AUDIO_MPCM1_REGION, 0 ) /* Samples */
-	ROM_LOAD( "mpr-18134.ic32", 0x000000, 0x200000, CRC(9a4109e5) SHA1(ba59caac5f5a80fc52c507d8a47f322a380aa9a1) )
+	ROM_LOAD( "mpr-18134.ic32", 0x000000, 0x200000, BAD_DUMP CRC(9a4109e5) SHA1(ba59caac5f5a80fc52c507d8a47f322a380aa9a1) )
 	ROM_LOAD( "mpr-18135.ic33", 0x200000, 0x200000, CRC(291d17e4) SHA1(7465d5bde9ece5112932efa58b3c1c07f2b11543) )
 
 	ROM_REGION( 0x400000, M1AUDIO_MPCM2_REGION, 0 ) /* Samples */