diff --git a/src/mame/drivers/psychic5.c b/src/mame/drivers/psychic5.c
index c2799ef3ade..4ba9d2c8a86 100644
--- a/src/mame/drivers/psychic5.c
+++ b/src/mame/drivers/psychic5.c
@@ -407,7 +407,7 @@ WRITE8_MEMBER(psychic5_state::bombsa_flipscreen_w)
 
 static ADDRESS_MAP_START( psychic5_main_map, AS_PROGRAM, 8, psychic5_state )
 	AM_RANGE(0x0000, 0x7fff) AM_ROM
-	AM_RANGE(0x8000, 0xbfff) AM_RAMBANK("bank1")
+	AM_RANGE(0x8000, 0xbfff) AM_ROMBANK("bank1")
 	AM_RANGE(0xc000, 0xdfff) AM_DEVICE("vrambank", address_map_bank_device, amap8)
 	AM_RANGE(0xe000, 0xefff) AM_RAM
 	AM_RANGE(0xf000, 0xf000) AM_WRITE(soundlatch_byte_w)
@@ -458,7 +458,7 @@ ADDRESS_MAP_END
 
 static ADDRESS_MAP_START( bombsa_main_map, AS_PROGRAM, 8, psychic5_state )
 	AM_RANGE(0x0000, 0x7fff) AM_ROM
-	AM_RANGE(0x8000, 0xbfff) AM_RAMBANK("bank1")
+	AM_RANGE(0x8000, 0xbfff) AM_ROMBANK("bank1")
 	AM_RANGE(0xc000, 0xcfff) AM_RAM
 
 	/* ports look like the other games */