diff --git a/mainwindow.cpp b/mainwindow.cpp
index f7e01229e..74345a233 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -7714,7 +7714,7 @@ list2Done:
 Transmit:
   foxcom_.nslots=islot;
   foxcom_.nfreq=ui->TxFreqSpinBox->value();
-  if(m_config.split_mode()) foxcom_.nfreq = foxcom_.nfreq + 1500;  //Fox Tx freq
+  if(m_config.split_mode()) foxcom_.nfreq = foxcom_.nfreq - m_XIT;  //Fox Tx freq
   QString foxCall=m_config.my_callsign() + "         ";
   strncpy(&foxcom_.mycall[0], foxCall.toLatin1(),12);   //Copy Fox callsign into foxcom_
   foxgen_();