diff --git a/src/mame/drivers/m72.c b/src/mame/drivers/m72.c
index 32ce3adcc60..b678487ee22 100644
--- a/src/mame/drivers/m72.c
+++ b/src/mame/drivers/m72.c
@@ -3030,12 +3030,12 @@ ROM_END
 
 ROM_START( rtype2 )
 	ROM_REGION( 0x100000, "maincpu", 0 )
-	ROM_LOAD16_BYTE( "ic54.8d",      0x00001, 0x20000, CRC(d8ece6f4) SHA1(f7bb246fe8b75af24716d419bb3c6e7d9cd0971e) )
-	ROM_LOAD16_BYTE( "ic60.9d",      0x00000, 0x20000, CRC(32cfb2e4) SHA1(d4b44a40e2933040eddb2b09de7bfe28d76c5f25) )
-	ROM_LOAD16_BYTE( "ic53.8b",      0x40001, 0x20000, CRC(4f6e9b15) SHA1(ef733c2615951f54691877ad3e84d08107723324) )
-	ROM_RELOAD(                      0xc0001, 0x20000 )
-	ROM_LOAD16_BYTE( "ic59.9b",      0x40000, 0x20000, CRC(0fd123bf) SHA1(1133163f6716e9a4bbb437b3a471477d0bd97051) )
-	ROM_RELOAD(                      0xc0000, 0x20000 )
+	ROM_LOAD16_BYTE( "rt2-a-h0-d.54", 0x00001, 0x20000, CRC(d8ece6f4) SHA1(f7bb246fe8b75af24716d419bb3c6e7d9cd0971e) )
+	ROM_LOAD16_BYTE( "rt2-a-l0-d.60", 0x00000, 0x20000, CRC(32cfb2e4) SHA1(d4b44a40e2933040eddb2b09de7bfe28d76c5f25) )
+	ROM_LOAD16_BYTE( "rt2-a-h1-d.53", 0x40001, 0x20000, CRC(4f6e9b15) SHA1(ef733c2615951f54691877ad3e84d08107723324) )
+	ROM_RELOAD(                       0xc0001, 0x20000 )
+	ROM_LOAD16_BYTE( "rt2-a-l1-d.59", 0x40000, 0x20000, CRC(0fd123bf) SHA1(1133163f6716e9a4bbb437b3a471477d0bd97051) )
+	ROM_RELOAD(                       0xc0000, 0x20000 )
 
 	ROM_REGION( 0x10000, "soundcpu", 0 )
 	ROM_LOAD( "ic17.4f",      0x0000, 0x10000, CRC(73ffecb4) SHA1(4795bf0d6263060c3d3759b659bdb189a4087600) )