diff --git a/src/mame/drivers/suprnova.c b/src/mame/drivers/suprnova.c
index eb9c5df9fbb..055e4a420ed 100644
--- a/src/mame/drivers/suprnova.c
+++ b/src/mame/drivers/suprnova.c
@@ -1144,9 +1144,15 @@ ROM_START( skns )
 	ROM_LOAD       ( "sknsu1.u10", 0x000000, 0x080000, CRC(384d21ec) SHA1(a27e8a18099d9cea64fa32db28d01101c2a78815) ) /* USA   BIOS */
 	ROM_LOAD       ( "sknsk1.u10", 0x000000, 0x080000, CRC(ff1c9f79) SHA1(a51e598d43e76d37da69b1f094c111273bdfc94a) ) /* Korea BIOS */
 
+	ROM_REGION32_BE( 0x200000, "user1", ROMREGION_ERASE00 ) /* SH-2 Code mapped at 0x04000000 */
+
+	ROM_REGION( 0x800000, "gfx1", ROMREGION_ERASE00 ) /* Sprites */
+
 	ROM_REGION( 0x800000, "gfx2", ROMREGION_ERASE00 | ROMREGION_DISPOSE ) /* Tiles Plane A */
 
 	ROM_REGION( 0x800000, "gfx3", ROMREGION_ERASE00 ) /* Tiles Plane B */
+
+	ROM_REGION( 0x400000, "ymz", ROMREGION_ERASE00 ) /* Samples */
 ROM_END
 
 ROM_START( cyvern )