diff --git a/build/systemMenu_tools/SystemUpdaterRegionSelect/ARM9.TWL/include/kami_global.h b/build/systemMenu_tools/SystemUpdaterRegionSelect/ARM9.TWL/include/kami_global.h
index 1cdb4405..25435018 100644
--- a/build/systemMenu_tools/SystemUpdaterRegionSelect/ARM9.TWL/include/kami_global.h
+++ b/build/systemMenu_tools/SystemUpdaterRegionSelect/ARM9.TWL/include/kami_global.h
@@ -47,7 +47,7 @@ typedef enum
     定数定義
  *---------------------------------------------------------------------------*/
 
-#define SYSTEM_UPDATER_NAME         L"SystemUpdater ver.1.0"
+#define SYSTEM_UPDATER_NAME         L"SystemUpdater ver.1.0a"
 #define SYSTEM_UPDATER_LOG_PATH     "nand:/sys/log/updater.log"
 #define SYSTEM_UPDATER_MAGIC_CODE   44001111
 
diff --git a/build/systemMenu_tools/SystemUpdaterRegionSelect/ARM9.TWL/src/process_format.c b/build/systemMenu_tools/SystemUpdaterRegionSelect/ARM9.TWL/src/process_format.c
index 5f6f9108..ec89bd78 100644
--- a/build/systemMenu_tools/SystemUpdaterRegionSelect/ARM9.TWL/src/process_format.c
+++ b/build/systemMenu_tools/SystemUpdaterRegionSelect/ARM9.TWL/src/process_format.c
@@ -64,12 +64,17 @@ BOOL ProcessFormat(void)
 {
 	FSArchiveResource resource;
 
-	// 既に最新フォーマットであればフォーマットしない	
-	if (FS_GetArchiveResource("nand:/", &resource))
-	{
-		if (resource.totalSize == CORRECT_NAND_ARCHIVE_SIZE)
+	// L & R & Start & Select ボタン押しで強制フォーマット
+	if (!(kamiPadIsPress(PAD_BUTTON_L) && kamiPadIsPress(PAD_BUTTON_R) &&
+		kamiPadIsPress(PAD_BUTTON_START) && kamiPadIsPress(PAD_BUTTON_SELECT)))
+	{	
+		// 既に最新フォーマットであればフォーマットしない	
+		if (FS_GetArchiveResource("nand:/", &resource))
 		{
-			return TRUE;
+			if (resource.totalSize == CORRECT_NAND_ARCHIVE_SIZE)
+			{
+				return TRUE;
+			}
 		}
 	}