diff --git a/src/mame/video/cps1.c b/src/mame/video/cps1.c
index 77ba51bf81e..98843b05c46 100644
--- a/src/mame/video/cps1.c
+++ b/src/mame/video/cps1.c
@@ -1234,7 +1234,7 @@ static const struct CPS1config cps1_config_table[]=
 {
 	/* name       CPSB         gfx mapper   in2  in3  out2   kludge */
 	{"forgottn", CPS_B_01,     mapper_LWCHR },
-	{"forgott1", CPS_B_01,     mapper_LW621 },
+	{"forgottu", CPS_B_01,     mapper_LWCHR },
 	{"lostwrld", CPS_B_01,     mapper_LWCHR },
 	{"ghouls",   CPS_B_01,     mapper_DM620 },
 	{"ghoulsu",  CPS_B_01,     mapper_DM620 },