diff --git a/MCA/MainFrm.cpp b/MCA/MainFrm.cpp
index 2c6776a..528a05a 100644
--- a/MCA/MainFrm.cpp
+++ b/MCA/MainFrm.cpp
@@ -383,8 +383,9 @@ void CMainFrame::OnOptSave()
 	CString szfile = fileDlg.GetPathName();
 
 	std::ofstream ofs(szfile);
+	std::string str = CStringA(pView->m_sSource);
 	ofs << pView->m_nTime << std::endl;
-	ofs << pView->m_sSource << std::endl;
+	ofs << str.c_str() << std::endl;
 	for (int i = 0; i < 1024; i++)
 		ofs << i << ", " << pDoc->m_nChannelCount[i] << std::endl;