diff --git a/build/components/hyena.TWL/Makefile b/build/components/hyena.TWL/Makefile
index df7b8e20..357ca49d 100644
--- a/build/components/hyena.TWL/Makefile
+++ b/build/components/hyena.TWL/Makefile
@@ -73,6 +73,7 @@ INSTALL_TARGETS	=	$(BINDIR)/$(TARGET_NAME).tef				\
 INSTALL_DIR		=	$(TWL_INSTALL_COMPONENTSDIR)/$(TARGET_NAME)/$(TWL_BUILDTYPE)
 
 LINCLUDES		= 	$(ROOT)/build/libraries/spi/ARM7/include \
+					$(ROOT)/build/libraries/spi/ARM7/pm/include \
 					$(SYSMENU_ROOT)/build/libraries_sysmenu/sysmenu/common/include
 LLIBRARIES		+= libwl_sp.TWL.LTD.a
 LDEPENDS_NEF	= $(TWL_LIBS) $(LLIBRARIES)
diff --git a/build/components/hyena.TWL/src/main.c b/build/components/hyena.TWL/src/main.c
index f9c23880..98ad5bcf 100644
--- a/build/components/hyena.TWL/src/main.c
+++ b/build/components/hyena.TWL/src/main.c
@@ -37,6 +37,7 @@
 #include    <twl/hw/common/mmap_wramEnv.h>
 #include    <sysmenu.h>
 #include    "nvram_sp.h"
+#include    "pm_pmic.h"
 #include    "internal_api.h"
 
 /*---------------------------------------------------------------------------*
@@ -108,6 +109,12 @@ TwlSpMain(void)
     // ランチャーからアプリを起動する際には、reboot.cが値を再セットしてくれる。
     SetSCFGWork();  // [TODO]未デバッグ
 
+    // バックライトON
+    while ( (reg_GX_DISPSTAT & REG_GX_DISPSTAT_INI_MASK) == FALSE )
+    {
+    }
+    PMi_SetControl( PMIC_CTL_BKLT1 | PMIC_CTL_BKLT2 );
+
     // OS 初期化
     OS_Init();
     OS_InitTick();