diff --git a/src/mame/drivers/jpmimpct.c b/src/mame/drivers/jpmimpct.c
index ea75016260d..04ae4940761 100644
--- a/src/mame/drivers/jpmimpct.c
+++ b/src/mame/drivers/jpmimpct.c
@@ -5008,6 +5008,9 @@ ROM_START( j6ewndg )
 	ROM_LOAD16_BYTE(  "ewn8_8.b16", 0x0000, 0x040000, CRC(674fd826) SHA1(34b17cdc4b8eb67c1100e62dee8bf13c66a5fa82) )
 	ROM_LOAD16_BYTE(  "ewnc1ss.bin", 0x0000, 0x020000, CRC(cc2c4712) SHA1(15729b5bccdb5f0e71bdedbe8817988c186a9d7e) )
 	ROM_LOAD16_BYTE(  "ewncp1.bin", 0x0000, 0x020000, CRC(27b2132a) SHA1(144f491eeaed2b6e0203e31fe5f78280edc41c1e) )
+	
+	ROM_REGION( 0x80000, "upd", ROMREGION_ERASE00 )
+	/* missing? */	
 ROM_END