diff --git a/src/mame/drivers/taito_f2.c b/src/mame/drivers/taito_f2.c
index 46d56fa5716..ad83230fcc6 100644
--- a/src/mame/drivers/taito_f2.c
+++ b/src/mame/drivers/taito_f2.c
@@ -4602,24 +4602,24 @@ ROM_END
 
 ROM_START( mizubaku )
 	ROM_REGION( 0x80000, "maincpu", 0 )     /* 512k for 68000 code */
-	ROM_LOAD16_BYTE( "c49-09.12",  0x00000, 0x20000, CRC(6ae09eb9) SHA1(0f2527a1b231ecf8c6a937bf56d1245fdd270695) )
-	ROM_LOAD16_BYTE( "c49-11.14",  0x00001, 0x20000, CRC(42d2be6e) SHA1(c7953af2a561159d739d05dc06a4c905b6c40e64) )
-	ROM_LOAD16_BYTE( "c49-10.13",  0x40000, 0x20000, CRC(50bef2e0) SHA1(54afd46dde81ac0fc272417c53aba1e9e8c90606) )
-	ROM_LOAD16_BYTE( "c49-13.15",  0x40001, 0x20000, CRC(2518dbf9) SHA1(c5975d3bfbfbb34b37b5da1d1cd2adf3491f9196) )
+	ROM_LOAD16_BYTE( "c49-09.ic47",  0x00000, 0x20000, CRC(6ae09eb9) SHA1(0f2527a1b231ecf8c6a937bf56d1245fdd270695) )
+	ROM_LOAD16_BYTE( "c49-11.ic48",  0x00001, 0x20000, CRC(42d2be6e) SHA1(c7953af2a561159d739d05dc06a4c905b6c40e64) )
+	ROM_LOAD16_BYTE( "c49-10.ic45",  0x40000, 0x20000, CRC(50bef2e0) SHA1(54afd46dde81ac0fc272417c53aba1e9e8c90606) )
+	ROM_LOAD16_BYTE( "c49-13.ic46",  0x40001, 0x20000, CRC(2518dbf9) SHA1(c5975d3bfbfbb34b37b5da1d1cd2adf3491f9196) )
 
 	ROM_REGION( 0x080000, "gfx1", 0 )	/* SCR */
-	ROM_LOAD( "lk_scr.bin",  0x00000, 0x80000, CRC(c3364f9b) SHA1(3512a8c352df8b8f19590c859afb8fdec758eb91) )
+	ROM_LOAD( "c49-03.ic76",  0x00000, 0x80000, CRC(c3364f9b) SHA1(3512a8c352df8b8f19590c859afb8fdec758eb91) )
 
 	ROM_REGION( 0x100000, "gfx2", 0 )	/* OBJ */
-	ROM_LOAD( "lk_obj0.bin", 0x00000, 0x80000, CRC(67cc3163) SHA1(f898d52c136f07497ec6be214f016cbadc700055) )
-	ROM_LOAD( "lk_obj1.bin", 0x80000, 0x80000, CRC(d2400710) SHA1(082aa0336dbc066d8bb0dd6eb362340f49e87b67) )
+	ROM_LOAD( "c49-01.ic54", 0x00000, 0x80000, CRC(67cc3163) SHA1(f898d52c136f07497ec6be214f016cbadc700055) )
+	ROM_LOAD( "c49-02.ic53", 0x80000, 0x80000, CRC(d2400710) SHA1(082aa0336dbc066d8bb0dd6eb362340f49e87b67) )
 
 	ROM_REGION( 0x1c000, "audiocpu", 0 )		/* sound cpu */
-	ROM_LOAD( "c49-08.9",    0x00000, 0x04000, CRC(413c310c) SHA1(cecb1c0c9fe3c8b744f95ce29009650a289107ab) )
+	ROM_LOAD( "c49-08.ic32", 0x00000, 0x04000, CRC(413c310c) SHA1(cecb1c0c9fe3c8b744f95ce29009650a289107ab) )
 	ROM_CONTINUE(            0x10000, 0x0c000 )	/* banked stuff */
 
 	ROM_REGION( 0x80000, "ymsnd", 0 )	/* ADPCM samples */
-	ROM_LOAD( "lk_snd.bin",  0x00000, 0x80000, CRC(474d45a4) SHA1(20cb818d753a185973098007e645f1aa75c5528d) )
+	ROM_LOAD( "c49-04.ic33",  0x00000, 0x80000, CRC(474d45a4) SHA1(20cb818d753a185973098007e645f1aa75c5528d) )
 
 	/* no Delta-T samples */
 ROM_END