diff --git a/src/xvaga/xvtmail.cpp b/src/xvaga/xvtmail.cpp
index 5f9613b90..5529a1a04 100755
--- a/src/xvaga/xvtmail.cpp
+++ b/src/xvaga/xvtmail.cpp
@@ -63,15 +63,13 @@ void xvt_set_mail_params(const char * smtp, const char * port, const char * user
 		__from = GetMailParam("From", f);
 	}
 	if (smtp && *smtp)
-		__smtp = smtp;
+		__smtp = _strdup(smtp);
 	if (port && *port)
-		__port = port;
+		__port = _strdup(port);
 	if (user && *user)
-		__user = user;
+		__user = _strdup(user);
 	if (pass  && *pass)
-		__pass = pass;
-	if (from  && *from)
-		__from = from;
+		__pass = _strdup(from);
 }
 
 static bool GetMailParams(wxString& smtp, wxString& port, wxString& user, wxString& pass, wxString& from)