diff --git a/ECTrainer2/Stimulus.cpp b/ECTrainer2/Stimulus.cpp
index 6e60768..99e3057 100644
--- a/ECTrainer2/Stimulus.cpp
+++ b/ECTrainer2/Stimulus.cpp
@@ -111,6 +111,7 @@
 
 	case (int)ECTMSG::EXP_END: // 実験終了
 		_StimNo = -1;
+		*Ect()->PWorker()->StartStagePtr() = 0;
 		this->SetImage(EXP_DONE_FILE);
 		break;
 
@@ -181,7 +182,10 @@
 		this->SetImage(_StimInfoSet[newStimNo].filepath);
 	}
 
-	if (newStimNo == 0 || _StimInfoSet[newStimNo].stage > 0) _Stage = _StimInfoSet[newStimNo].stage;
+	if (newStimNo == 0 || _StimInfoSet[newStimNo].stage > 0) {
+		_Stage = _StimInfoSet[newStimNo].stage;
+		*Ect()->PWorker()->StartStagePtr() = _Stage;
+	}
 
 	_StimTimer.Reset();
 	_StimNo = newStimNo;