diff --git a/src/mame/drivers/manohman.cpp b/src/mame/drivers/manohman.cpp
index 46b7364ebca..87725cbace7 100644
--- a/src/mame/drivers/manohman.cpp
+++ b/src/mame/drivers/manohman.cpp
@@ -257,14 +257,14 @@ MACHINE_CONFIG_END
 *********************************************/
 
 ROM_START( manohman )
-	ROM_REGION( 0x100000, "maincpu", 0 )    /* 68000 code */
-	ROM_LOAD16_BYTE( "mom_austria_vorserie_ii.bin", 0x000000, 0x010000, CRC(4b57409c) SHA1(0438f5d52f4de2ece8fb684cf2d82bdea0eacf0b) )
-	ROM_LOAD16_BYTE( "mom_austria_vorserie_i.bin",  0x000001, 0x010000, CRC(3c9507f9) SHA1(489a6aadfb7d61be0873bf48d428e9d915268f95) )
+	ROM_REGION( 0x20000, "maincpu", 0 )
+	ROM_LOAD16_BYTE( "mom_austria_vorserie_ii.bin", 0x00000, 0x10000, CRC(4b57409c) SHA1(0438f5d52f4de2ece8fb684cf2d82bdea0eacf0b) )
+	ROM_LOAD16_BYTE( "mom_austria_vorserie_i.bin",  0x00001, 0x10000, CRC(3c9507f9) SHA1(489a6aadfb7d61be0873bf48d428e9d915268f95) )
 ROM_END
 
 ROM_START( backgamn )
-	ROM_REGION( 0x100000, "maincpu", 0 )
-	ROM_LOAD16_BYTE( "b_f2_i.bin", 0x00000, 0x10000, CRC(9e42937c) SHA1(85d462a560b85b03ee9d341e18815b7c396118ac) )
+	ROM_REGION( 0x20000, "maincpu", 0 )
+	ROM_LOAD16_BYTE( "b_f2_i.bin",  0x00000, 0x10000, CRC(9e42937c) SHA1(85d462a560b85b03ee9d341e18815b7c396118ac) )
 	ROM_LOAD16_BYTE( "b_f2_ii.bin", 0x00001, 0x10000, CRC(8e0ee50c) SHA1(2a05c337db1131b873646aa4109593636ebaa356) )
 ROM_END