diff --git a/build/gcdfirm/gcdfirm-disp/ARM7/main.c b/build/gcdfirm/gcdfirm-disp/ARM7/main.c
index d9d563b4..ae61abf7 100644
--- a/build/gcdfirm/gcdfirm-disp/ARM7/main.c
+++ b/build/gcdfirm/gcdfirm-disp/ARM7/main.c
@@ -41,8 +41,12 @@ void TwlSpMain( void )
     OS_EnableIrq();
 
     PM_InitFIRM();
+#ifndef PMIC_FINAL
     PMi_SetParams( REG_PMIC_BL_BRT_A_ADDR, PMIC_BACKLIGHT_BRIGHT_DEFAULT, PMIC_BL_BRT_A_MASK );
     PMi_SetParams( REG_PMIC_BL_BRT_B_ADDR, PMIC_BACKLIGHT_BRIGHT_DEFAULT, PMIC_BL_BRT_B_MASK );
+#else
+    MCUi_WriteRegister( MCU_REG_BL_ADDR, MCU_REG_BL_BRIGHTNESS_MASK );
+#endif
     PM_BackLightOn( TRUE );
 
     // ボタンが押されるまで待つ