diff --git a/build/tools/MasterEditor/MasterEditorTWLChecker/MasterEditorTWLChecker.ncb b/build/tools/MasterEditor/MasterEditorTWLChecker/MasterEditorTWLChecker.ncb
index af606b5..7b6619b 100644
Binary files a/build/tools/MasterEditor/MasterEditorTWLChecker/MasterEditorTWLChecker.ncb and b/build/tools/MasterEditor/MasterEditorTWLChecker/MasterEditorTWLChecker.ncb differ
diff --git a/build/tools/MasterEditor/MasterEditorTWLChecker/MasterEditorTWLChecker.suo b/build/tools/MasterEditor/MasterEditorTWLChecker/MasterEditorTWLChecker.suo
index 3091bd0..808bc40 100644
Binary files a/build/tools/MasterEditor/MasterEditorTWLChecker/MasterEditorTWLChecker.suo and b/build/tools/MasterEditor/MasterEditorTWLChecker/MasterEditorTWLChecker.suo differ
diff --git a/build/tools/MasterEditor/MasterEditorTWLChecker/MasterEditorTWLChecker/Debug/BuildLog.htm b/build/tools/MasterEditor/MasterEditorTWLChecker/MasterEditorTWLChecker/Debug/BuildLog.htm
index e1758b2..aaf269c 100644
Binary files a/build/tools/MasterEditor/MasterEditorTWLChecker/MasterEditorTWLChecker/Debug/BuildLog.htm and b/build/tools/MasterEditor/MasterEditorTWLChecker/MasterEditorTWLChecker/Debug/BuildLog.htm differ
diff --git a/build/tools/MasterEditor/MasterEditorTWLChecker/MasterEditorTWLChecker/check_rom.cpp b/build/tools/MasterEditor/MasterEditorTWLChecker/MasterEditorTWLChecker/check_rom.cpp
index e3efef7..8b7cca9 100644
--- a/build/tools/MasterEditor/MasterEditorTWLChecker/MasterEditorTWLChecker/check_rom.cpp
+++ b/build/tools/MasterEditor/MasterEditorTWLChecker/MasterEditorTWLChecker/check_rom.cpp
@@ -184,7 +184,8 @@ System::Void checkRom( FilenameItem ^fItem, System::String ^orgSrl, System::Stri
 	// マスタエディタで書き換えられていない領域をチェック
 	verifyArea( fp1, fp2, 0, 0x1b0 );
 	verifyArea( fp1, fp2, 0x1b4, 0x2f0 - 0x1b4 );
-	verifyArea( fp1, fp2, 0x300, filesize1 - 0x300 );
+	verifyArea( fp1, fp2, 0x300, 0xf80 - 0x300 );
+	verifyArea( fp1, fp2, 0x1000, filesize1 - 0x1000 );
 	DebugPrint( "--------------------------------------------------------" );
 }
 
diff --git a/build/tools/MasterEditor/MasterEditorTWLChecker/MasterEditorTWLChecker/check_sheet.cpp b/build/tools/MasterEditor/MasterEditorTWLChecker/MasterEditorTWLChecker/check_sheet.cpp
index f2e4214..79d1f08 100644
--- a/build/tools/MasterEditor/MasterEditorTWLChecker/MasterEditorTWLChecker/check_sheet.cpp
+++ b/build/tools/MasterEditor/MasterEditorTWLChecker/MasterEditorTWLChecker/check_sheet.cpp
@@ -150,7 +150,7 @@ System::Void checkSheet( FilenameItem ^fItem, SheetItem ^sItem )
 		}
 
 		// 「レーティング不要」フラグが立っていてはいけない
-		if( !sItem->IsUnnecessaryRating )
+		if( sItem->IsUnnecessaryRating )
 		{
 			throw (gcnew System::Exception("In Sheet, \"Unnecessary\" flag is asserted."));
 			return;