diff --git a/win/rfb_win32/MsgBox.h b/win/rfb_win32/MsgBox.h
index 5957139..918a909 100644
--- a/win/rfb_win32/MsgBox.h
+++ b/win/rfb_win32/MsgBox.h
@@ -48,7 +48,7 @@
       flags |= MB_TOPMOST | MB_SETFOREGROUND;
       int len = _tcslen(AppName.buf) + 1;
       if (msgType) len += _tcslen(msgType) + 3;
-      TCharArray title = new TCHAR[len];
+      TCharArray title(new TCHAR[len]);
       _tcscpy(title.buf, AppName.buf);
       if (msgType) {
         _tcscat(title.buf, _T(" : "));