diff --git a/q65w/mainwindow.h b/q65w/mainwindow.h
index 488c7813d..1c3d51bfc 100644
--- a/q65w/mainwindow.h
+++ b/q65w/mainwindow.h
@@ -123,7 +123,7 @@ private:
   qint32  m_nrx;
   qint32  m_hsym0;
   qint32  m_paInDevice;
-  qint32  m_paOutDevice;
+  qint32  m_paOutDevice;    //### Why is this needed, now? ###
   qint32  m_udpPort;
   qint32  m_NBslider;
   qint32  m_adjustIQ;