diff --git a/src/mame/drivers/39in1.c b/src/mame/drivers/39in1.c
index 06b93a3fb40..9b8dd4f5f95 100644
--- a/src/mame/drivers/39in1.c
+++ b/src/mame/drivers/39in1.c
@@ -1433,7 +1433,7 @@ static WRITE32_HANDLER( cpld_w )
 	if (cpu_get_pc(space->cpu) == 0x2874)
 	{
 		state->state = 2;
-		state->magic = space->read_byte(0x2d4ff0);
+		state->magic = space->read_byte(0xa02d4ff0);
 	}
 	else if (offset == 0xa)
 	{