diff --git a/widgets/mainwindow.cpp b/widgets/mainwindow.cpp
index e1727e26f..419f05f45 100644
--- a/widgets/mainwindow.cpp
+++ b/widgets/mainwindow.cpp
@@ -5539,7 +5539,7 @@ void MainWindow::processMessage (DecodedText const& message, Qt::KeyboardModifie
 
   QString firstcall = message.call();
   if(firstcall.length()>=4 and firstcall.mid(0,3)=="CQ ") firstcall="CQ";
-  if(!m_bFastMode and (!m_config.enable_VHF_features() or m_mode=="FT8")) {
+  if(!m_bFastMode and (!m_config.enable_VHF_features() or m_mode=="FT8" or m_mode=="FT4" or m_mode=="FST4")) {
     // Don't change Tx freq if in a fast mode, or VHF features enabled; also not if a
     // station is calling me, unless CTRL or SHIFT is held down.
     if ((Radio::is_callsign (firstcall)