diff --git a/mainwindow.cpp b/mainwindow.cpp
index 1164eab..9c942d2 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -3956,9 +3956,9 @@ void MainWindow::startTx()
   ui->rbNextFreeTextMsg->setChecked(true);
   if (m_transmitting) m_restart=true;
 
-  // detect if we're currently in a possible transmit cycle...and if so, wait until the next one...
+  // detect if we're currently in a possible transmit cycle...and if so, wait until the next one if we're more than 2 seconds in...
   QDateTime now {QDateTime::currentDateTimeUtc()};
-  int s=now.time().second();
+  int s=now.addSecs(-2).time().second();
   int n=s % (2*m_TRperiod);
   if((n <= m_TRperiod && m_txFirst) || (n > m_TRperiod && !m_txFirst)){
     ui->txFirstCheckBox->setChecked(!m_txFirst);