diff --git a/src/mame/drivers/vegas.c b/src/mame/drivers/vegas.c
index 1a451270c0d..5c292e7a6f4 100644
--- a/src/mame/drivers/vegas.c
+++ b/src/mame/drivers/vegas.c
@@ -2433,7 +2433,7 @@ ROM_END
 
 ROM_START( sf2049 )
 	ROM_REGION32_LE( 0x80000, REGION_USER1, 0 )	/* EPROM 1.02 7/9/1999 */
-	ROM_LOAD( "u27a.dat", 0x000000, 0x80000, CRC(174ba8fe) SHA1(baba83b811eca659f00514a008a86ef0ac9680ee) )
+	ROM_LOAD( "sf2049.u27", 0x000000, 0x80000, CRC(174ba8fe) SHA1(baba83b811eca659f00514a008a86ef0ac9680ee) )
 
 	DISK_REGION( REGION_DISKS )	/* Guts 1.03 9/3/1999 Game 9/8/1999 */
 	DISK_IMAGE( "sf2049", 0, MD5(2f56375670c0f72b69c1b5ec6a54ba70) SHA1(e08d026ab2745cac6b8c820f010b28dffd5388dd) )
@@ -2442,7 +2442,7 @@ ROM_END
 
 ROM_START( sf2049se )
 	ROM_REGION32_LE( 0x80000, REGION_USER1, 0 )
-	ROM_LOAD( "sf2049te.bin", 0x000000, 0x80000, BAD_DUMP CRC(cc7c8601) SHA1(3f37dbd1b32b3ac5caa300725468e8e426f0fb83) )
+	ROM_LOAD( "sf2049se.u27", 0x000000, 0x80000, CRC(da4ecd9c) SHA1(2574ff3d608ebcc59a63cf6dea13ee7650ae8921) )
 
 	DISK_REGION( REGION_DISKS )
 	DISK_IMAGE( "sf2049se", 0, MD5(3ea8c0f8394cb73e96176b1a70c03219) SHA1(b195f98756d9d7cde71b6467409faed33134a2d7) )
@@ -2451,7 +2451,7 @@ ROM_END
 
 ROM_START( sf2049te )
 	ROM_REGION32_LE( 0x80000, REGION_USER1, 0 )
-	ROM_LOAD( "sf2049te.bin", 0x000000, 0x80000, CRC(cc7c8601) SHA1(3f37dbd1b32b3ac5caa300725468e8e426f0fb83) )
+	ROM_LOAD( "sf2049te.u27", 0x000000, 0x80000, CRC(cc7c8601) SHA1(3f37dbd1b32b3ac5caa300725468e8e426f0fb83) )
 
 	DISK_REGION( REGION_DISKS )
 	DISK_IMAGE( "sf2049te", 0, MD5(476abcfbeb0d2817cb38ca36e78cddc6) SHA1(c01972f1b642f013d760f29f1e2ed7dcf78896c4) )