diff --git a/src/mame/drivers/tecmosys.c b/src/mame/drivers/tecmosys.c
index a4f7ee53dbe..97b00fe8a22 100644
--- a/src/mame/drivers/tecmosys.c
+++ b/src/mame/drivers/tecmosys.c
@@ -1096,8 +1096,8 @@ ROM_START( tkdensha )
 	ROM_LOAD( "ae400t23.ya1", 0x000000, 0x200000, CRC(c6ffb043) SHA1(e0c6c5f6b840f63c9a685a2c3be66efa4935cbeb) )
 	ROM_LOAD( "ae401t24.yb1", 0x200000, 0x200000, CRC(d83f1a73) SHA1(412b7ac9ff09a984c28b7d195330d78c4aac3dc5) )
 
-	ROM_REGION( 0x080000, REGION_SOUND2, 0 ) // M6295 Samples
-	ROM_LOAD( "ae500w07.ad1", 0x000000, 0x080000, CRC(3734f92c) SHA1(048555b5aa89eaf983305c439ba08d32b4a1bb80) )
+	ROM_REGION( 0x100000, REGION_SOUND2, 0 ) // M6295 Samples
+	ROM_LOAD( "ae500w07.ad1", 0x080000, 0x080000, CRC(3734f92c) SHA1(048555b5aa89eaf983305c439ba08d32b4a1bb80) )
 ROM_END
 
 static MACHINE_RESET( deroon )