diff --git a/build/tools/MasterEditorTWL/MasterEditorTWL.ncb b/build/tools/MasterEditorTWL/MasterEditorTWL.ncb
index f3496c3e..eed91764 100644
Binary files a/build/tools/MasterEditorTWL/MasterEditorTWL.ncb and b/build/tools/MasterEditorTWL/MasterEditorTWL.ncb differ
diff --git a/build/tools/MasterEditorTWL/MasterEditorTWL.suo b/build/tools/MasterEditorTWL/MasterEditorTWL.suo
index 34747a97..ac5ac392 100644
Binary files a/build/tools/MasterEditorTWL/MasterEditorTWL.suo and b/build/tools/MasterEditorTWL/MasterEditorTWL.suo differ
diff --git a/build/tools/MasterEditorTWL/MasterEditorTWL/Debug/BuildLog.htm b/build/tools/MasterEditorTWL/MasterEditorTWL/Debug/BuildLog.htm
index 02ffc2cd..bb0bd582 100644
Binary files a/build/tools/MasterEditorTWL/MasterEditorTWL/Debug/BuildLog.htm and b/build/tools/MasterEditorTWL/MasterEditorTWL/Debug/BuildLog.htm differ
diff --git a/build/tools/MasterEditorTWL/MasterEditorTWL/common.h b/build/tools/MasterEditorTWL/MasterEditorTWL/common.h
index 0c9754d8..9148918e 100644
--- a/build/tools/MasterEditorTWL/MasterEditorTWL/common.h
+++ b/build/tools/MasterEditorTWL/MasterEditorTWL/common.h
@@ -1,8 +1,8 @@
 #pragma once
 
 // ビルドスイッチ
-#define METWL_VER_APPTYPE_USER
-//#define METWL_VER_APPTYPE_SYSTEM
+//#define METWL_VER_APPTYPE_USER
+#define METWL_VER_APPTYPE_SYSTEM
 //#define METWL_VER_APPTYPE_SECURE
 //#define METWL_VER_APPTYPE_LAUNCHER
 
diff --git a/build/tools/MasterEditorTWL/MasterEditorTWL/srl.cpp b/build/tools/MasterEditorTWL/MasterEditorTWL/srl.cpp
index 9057d206..93b70027 100644
--- a/build/tools/MasterEditorTWL/MasterEditorTWL/srl.cpp
+++ b/build/tools/MasterEditorTWL/MasterEditorTWL/srl.cpp
@@ -935,7 +935,7 @@ ECSrlResult RCSrl::mrcTWL( FILE *fp )
 				"デバイス容量", 0x14, 0x14, "NANDアプリに対して指定可能な容量ではありません。",
 				"Device Capacity", "Invalid capacity.", false, true ) );
 		}
-		u32  allsizeMB = (filesize*1024*1024/8) + this->pRomHeader->s.public_save_data_size + this->pRomHeader->s.private_save_data_size;
+		u32  allsizeMB = filesize + this->pRomHeader->s.public_save_data_size + this->pRomHeader->s.private_save_data_size;
 		if( allsizeMB > METWL_ALLSIZE_MAX_NAND )
 		{
 			this->hErrorList->Add( gcnew RCMrcError(