diff --git a/build/systemMenu_tools/NandInitializerRed/ARM9.TWL/src/process_hw_info.c b/build/systemMenu_tools/NandInitializerRed/ARM9.TWL/src/process_hw_info.c
index 34df8db4..75c16063 100644
--- a/build/systemMenu_tools/NandInitializerRed/ARM9.TWL/src/process_hw_info.c
+++ b/build/systemMenu_tools/NandInitializerRed/ARM9.TWL/src/process_hw_info.c
@@ -124,7 +124,7 @@ void* HWInfoProcess0(void)
 	kamiFontPrintf(3, 18, FONT_COLOR_BLACK, "+--------------------+----+");
 
 	// 現在のリージョンに"now"と表示
-	kamiFontPrintf(26, (s16)(MENU_TOP_LINE+LCFG_THW_GetRegion()*CHAR_OF_MENU_SPACE), FONT_COLOR_BLACK, "now");
+	kamiFontPrintf(26, (s16)(MENU_TOP_LINE+OS_GetRegion()*CHAR_OF_MENU_SPACE), FONT_COLOR_BLACK, "now");
 
 	// 背景全クリア
 	for (i=0;i<24;i++)
diff --git a/build/systemMenu_tools/NandInitializerRed/ARM9.TWL/src/process_wireless_setting.c b/build/systemMenu_tools/NandInitializerRed/ARM9.TWL/src/process_wireless_setting.c
index 863ea002..855dc8c5 100644
--- a/build/systemMenu_tools/NandInitializerRed/ARM9.TWL/src/process_wireless_setting.c
+++ b/build/systemMenu_tools/NandInitializerRed/ARM9.TWL/src/process_wireless_setting.c
@@ -175,7 +175,7 @@ void* WirelessSettingProcess2(void)
 	switch( sMenuSelectNo )
 	{
 	case MENU_WIRELESS_ENABLE:
-		result = WriteHWInfoFile( LCFG_THW_GetRegion(), FALSE );
+		result = WriteHWInfoFile( OS_GetRegion(), FALSE );
 		if ( result == TRUE )
 		{
 			kamiFontPrintf(26,  (s16)(MENU_TOP_LINE+MENU_WIRELESS_ENABLE*CHAR_OF_MENU_SPACE), FONT_COLOR_GREEN, "OK ");
@@ -189,7 +189,7 @@ void* WirelessSettingProcess2(void)
 		break;
 
 	case MENU_WIRELESS_FORCE_OFF:
-		result = WriteHWInfoFile( LCFG_THW_GetRegion(), TRUE );
+		result = WriteHWInfoFile( OS_GetRegion(), TRUE );
 		if ( result == TRUE )
 		{
 			kamiFontPrintf(26,  (s16)(MENU_TOP_LINE+MENU_WIRELESS_ENABLE*CHAR_OF_MENU_SPACE), FONT_COLOR_GREEN, "   ");
diff --git a/build/systemMenu_tools/SystemUpdater/ARM9.TWL/main.rsf b/build/systemMenu_tools/SystemUpdater/ARM9.TWL/main.rsf
index abb5c445..6fe56c1d 100644
--- a/build/systemMenu_tools/SystemUpdater/ARM9.TWL/main.rsf
+++ b/build/systemMenu_tools/SystemUpdater/ARM9.TWL/main.rsf
@@ -220,7 +220,7 @@ RomSpec
 {
 	Offset		0x00000000
 	Segment		ALL
-	HostRoot	../data
+	HostRoot	../$(UPDATER_HOST_ROOT_DIR)
 	Root		/data
 	File		HNAA.tad HNBA.tad HNCA.tad HNHA.tad HNLA.tad \
                 menu_launcher.nand TWLFontTable.dat cert.sys
diff --git a/build/systemMenu_tools/SystemUpdater/Makefile b/build/systemMenu_tools/SystemUpdater/Makefile
index d931d7c0..f8a20aa5 100644
--- a/build/systemMenu_tools/SystemUpdater/Makefile
+++ b/build/systemMenu_tools/SystemUpdater/Makefile
@@ -29,8 +29,10 @@ DS_HASH_TABLE				=	$(TWL_IPL_RED_ROOT)/build/systemMenu_RED/DSHashTable
 SHARED_FONT_DIR				=	$(TWL_IPL_RED_ROOT)/build/systemMenu_RED/sharedFont
 NANDFIRM_DIR                =   $(TWL_IPL_RED_ROOT)/build/nandfirm/menu-launcher
 
-# 既存データを使用する場合はTRUEを指定
+# systemMenuデータの作成をスキップする場合はTRUEを指定
 SKIP_CREATE_DATA = FALSE
+# 実際に書き込みたいファイルの置かれているdataフォルダを指定
+export UPDATER_HOST_ROOT_DIR = data
 
 ifeq ($(SKIP_CREATE_DATA),FALSE)
 SUBDIRS =	$(LAUNCHER_DIR) \