diff --git a/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL.ncb b/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL.ncb
index ee1aaf6..485b649 100644
Binary files a/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL.ncb and b/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL.ncb differ
diff --git a/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL.suo b/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL.suo
index 0d9a9e0..44f34ad 100644
Binary files a/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL.suo and b/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL.suo differ
diff --git a/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/Debug/BuildLog.htm b/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/Debug/BuildLog.htm
index 0b920b0..f590b8d 100644
Binary files a/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/Debug/BuildLog.htm and b/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/Debug/BuildLog.htm differ
diff --git a/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/srl.cpp b/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/srl.cpp
index 4d55074..c333f89 100644
--- a/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/srl.cpp
+++ b/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/srl.cpp
@@ -718,7 +718,7 @@ ECSrlResult RCSrl::decryptRomHeader( ROM_Header *prh )
 	// (1) 公開鍵で復号した結果(ブロック)をローカル変数(original)に格納
 	// (2) ブロックから余分な部分を取り除いて引数(pDst)にコピー
 
-	ECAppType  type = this->selectAppType();
+	ECAppType  type = this->selectAppType( prh );
 
 	// 鍵を選ぶ
 #ifdef METWL_VER_APPTYPE_LAUNCHER
@@ -776,12 +776,12 @@ ECSrlResult RCSrl::decryptRomHeader( ROM_Header *prh )
 // -------------------------------------------------------------------
 // アプリ種別の判定
 // -------------------------------------------------------------------
-ECAppType RCSrl::selectAppType(void)
+ECAppType RCSrl::selectAppType( ROM_Header *prh )
 {
 	ECAppType  type = ECAppType::ILLEGAL;
 
-	u8  *idL = this->pRomHeader->s.titleID_Lo;
-	u32  idH = this->pRomHeader->s.titleID_Hi;
+	u8  *idL = prh->s.titleID_Lo;
+	u32  idH = prh->s.titleID_Hi;
 
 	if( (idL[3]=='H') && (idL[2]=='N') && (idL[1]=='A') )	// ランチャアプリかどうかはTitleID_Loの値で決定
     {
diff --git a/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/srl.h b/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/srl.h
index 831c804..fdfbf69 100644
--- a/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/srl.h
+++ b/build/tools/MasterEditor/MasterEditorTWL/MasterEditorTWL/srl.h
@@ -419,7 +419,7 @@ namespace MasterEditorTWL
 				// @arg [in]  入力ファイルのFP (->SRL読み込み時に実行されるべき)]
 		ECSrlResult searchSDKVersion( FILE *fp );		// SDKバージョンを取得する
 		ECSrlResult searchLicenses( FILE *fp );			// 使用ライセンスを取得する
-		ECAppType selectAppType(void);
+		ECAppType selectAppType( ROM_Header *prh );		// TitleIDからアプリ種別を決定する
 
 		// MRC(Master ROM Checker)機能
 		ECSrlResult mrc( FILE *fp );