diff --git a/ECTrainer2/ECTrainerGUI.cpp b/ECTrainer2/ECTrainerGUI.cpp
index ef69d31..79751b8 100644
--- a/ECTrainer2/ECTrainerGUI.cpp
+++ b/ECTrainer2/ECTrainerGUI.cpp
@@ -120,6 +120,9 @@
 		cvui::beginRow();
 		cvui::printf("Stage ");
 		cvui::counter(Ect()->PWorker()->StartStagePtr());
+		if (*Ect()->PWorker()->StartStagePtr() < 0) *Ect()->PWorker()->StartStagePtr() = 0;
+		if (*Ect()->PWorker()->StartStagePtr() > Ect()->PStimulus()->GetStageMax()) 
+			*Ect()->PWorker()->StartStagePtr() = Ect()->PStimulus()->GetStageMax();
 		cvui::endRow();
 		break;
 	case APP_STATUS::STIM:
diff --git a/ECTrainer2/Stimulus.cpp b/ECTrainer2/Stimulus.cpp
index 0dd9a89..6e60768 100644
--- a/ECTrainer2/Stimulus.cpp
+++ b/ECTrainer2/Stimulus.cpp
@@ -35,6 +35,7 @@
 	// テーブルから構造体へ格納
 	_TotalExpTime = 0;
 	_StimInfoSet.clear();
+	_StageMax = 0;
 	for (int r = 0; r < table.size(); r++) {
 		if (table[r].size() != 6 || atoi(table[r][0].c_str()) < 1) continue;
 		StimInfo st;
@@ -46,6 +47,7 @@
 		st.csvfile = table[r][3];
 		st.smallmovie = table[r][4];
 		st.stage = atoi(table[r][5].c_str());
+		if (st.stage > _StageMax) _StageMax = st.stage;
 		if (st.filepath.size() > 0) {
 			_StimInfoSet.push_back(st);
 			_TotalExpTime += st.dulation;
diff --git a/ECTrainer2/Stimulus.h b/ECTrainer2/Stimulus.h
index 3f8d3a6..a0511ff 100644
--- a/ECTrainer2/Stimulus.h
+++ b/ECTrainer2/Stimulus.h
@@ -48,6 +48,7 @@
 	cv::VideoCapture _cap;				// 動画オブジェクト
 	float _TotalExpTime;				// 合計実験時間
 	int _Stage;							// 刺激ステージ
+	int _StageMax;						// 刺激ステージ最大値
 
 	// ECTrainerインスタンス取得
 	ECTrainer* Ect() { return (ECTrainer*)_pUserdata; }
@@ -101,4 +102,6 @@
 	bool IsSoftCalib() { return _StimNo < 0 ? false : _StimInfoSet[_StimNo].type == StimInfo::TYPE_CALIB; }
 	// ステージ取得
 	int GetStage() { return _Stage; }
+	// 最大ステージ取得
+	int GetStageMax() { return _StageMax; }
 };