diff --git a/board/alphaproject/ap_sh4a_4a/lowlevel_init.S b/board/alphaproject/ap_sh4a_4a/lowlevel_init.S
index f04b36b..cf9c225 100644
--- a/board/alphaproject/ap_sh4a_4a/lowlevel_init.S
+++ b/board/alphaproject/ap_sh4a_4a/lowlevel_init.S
@@ -330,7 +330,7 @@ init_dbsc3_ctrl_533:
 DBKIND_A:	.long	0xFE800020
 DBKIND_D:	.long	0x00000005
 DBCONF_A:	.long	0xFE800024
-DBCONF_D:	.long	0x0D020901
+DBCONF_D:	.long	0x0D020A01
 
 DBTR0_A:	.long	0xFE800040
 DBTR0_D_533:.long	0x00000004