diff --git a/src/mame/drivers/namcos11.cpp b/src/mame/drivers/namcos11.cpp
index 6b23c72aa5e..cf13af3c981 100644
--- a/src/mame/drivers/namcos11.cpp
+++ b/src/mame/drivers/namcos11.cpp
@@ -1138,7 +1138,7 @@ ROM_START( dunkmnia )
 	ROM_LOAD( "dm1sprog.6d",  0x0000000, 0x040000, CRC(de1cbc78) SHA1(855ebece1841f50ae324d7d6b8b18ab6f657d28e) )
 
 	ROM_REGION( 0x1000000, "c352", 0 ) /* samples */
-	ROM_LOAD( "dm1wave.8k",   0x000000, 0x400000, CRC(4891d53e) SHA1(a1fee060e94d3219174b5974517f4fd3be32aaa5) )
+	ROM_LOAD( "dm1wave.8k",   0x000000, 0x400000, CRC(883d7455) SHA1(d2129d7c8b981128c3d0ce0c56fd0d5d58d5d2d9) )
 	ROM_RELOAD( 0x800000, 0x400000 )
 ROM_END
 
@@ -1163,7 +1163,8 @@ ROM_START( dunkmniajc )
 	ROM_LOAD( "dm1sprog.6d",  0x0000000, 0x040000, CRC(de1cbc78) SHA1(855ebece1841f50ae324d7d6b8b18ab6f657d28e) )
 
 	ROM_REGION( 0x1000000, "c352", 0 ) /* samples */
-	ROM_LOAD( "dm1wave.8k",   0x800000, 0x400000, CRC(4891d53e) SHA1(a1fee060e94d3219174b5974517f4fd3be32aaa5) )
+	ROM_LOAD( "dm1wave.8k",   0x000000, 0x400000, CRC(883d7455) SHA1(d2129d7c8b981128c3d0ce0c56fd0d5d58d5d2d9) )
+	ROM_RELOAD( 0x800000, 0x400000 )
 ROM_END
 
 ROM_START( myangel3 )
@@ -1398,7 +1399,8 @@ ROM_START( souledgeua )
 	ROM_LOAD( "so1sprog.6d",  0x0000000, 0x040000, CRC(f6f682b7) SHA1(a64e19be3f6e630b8c34f34b46b95aadfabd3f63) )
 
 	ROM_REGION( 0x1000000, "c352", 0 ) /* samples */
-	ROM_LOAD( "so1wave.8k",   0x800000, 0x400000, CRC(0e68836b) SHA1(c392b370a807803c7ab060105861253e1b407f49) )
+	ROM_LOAD( "so1wave.8k",   0x000000, 0x400000, CRC(0e68836b) SHA1(c392b370a807803c7ab060105861253e1b407f49) )
+	ROM_RELOAD( 0x800000, 0x400000 )
 ROM_END
 
 ROM_START( souledgea )