diff --git a/src/mame/drivers/naomi.cpp b/src/mame/drivers/naomi.cpp
index 3bd95652e08..0a01965a16b 100644
--- a/src/mame/drivers/naomi.cpp
+++ b/src/mame/drivers/naomi.cpp
@@ -6828,7 +6828,7 @@ ROM_START( wrungpo )
 
 	// 838-12801 DRIVE BD WAVERUNNER
 	ROM_REGION( 0x10000, "motorio", ROMREGION_ERASEFF)
-	ROM_LOAD( "epr-19250.ic8", 0x000000, 0x010000, NO_DUMP )
+	ROM_LOAD( "epr-19250.ic8", 0x000000, 0x010000, CRC(542d3836) SHA1(128cb0bfaf05791d219437653002f6bb948a4ad5) )
 
 	// 840-0064-01  2001    317-0306-COM    Naomi
 	ROM_PARAMETER( ":rom_board:segam2crypt:key", "284ae7c3")
@@ -6849,7 +6849,7 @@ ROM_START( wrungp )
 
 	// 838-12801 DRIVE BD WAVERUNNER
 	ROM_REGION( 0x10000, "motorio", ROMREGION_ERASEFF)
-	ROM_LOAD( "epr-19250.ic8", 0x000000, 0x010000, NO_DUMP )
+	ROM_LOAD( "epr-19250.ic8", 0x000000, 0x010000, CRC(542d3836) SHA1(128cb0bfaf05791d219437653002f6bb948a4ad5) )
 
 	ROM_PARAMETER( ":rom_board:segam2crypt:key", "-1") // 315-5881 not populated
 ROM_END