diff --git a/doc/user_guide/en/new_features.adoc b/doc/user_guide/en/new_features.adoc
index 3ec6dd0e3..4faf0ce7b 100644
--- a/doc/user_guide/en/new_features.adoc
+++ b/doc/user_guide/en/new_features.adoc
@@ -9,7 +9,7 @@ added to _WSJT-X_ since Version 1.6.0:
 
 - New fast submodes of JT9E-H
 
-- New Franke-Taylor decoder toreplace the Koetter-Vardy decoder in
+- New Franke-Taylor decoder to replace the Koetter-Vardy decoder in
 JT65. Separate program `kvasd[.exe]` is no longer used.
 
 - Improvements to the JT4, JT9, and JT65 decoders
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 76c648a8a..915b97a0a 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -4660,7 +4660,9 @@ void MainWindow::on_tuneButton_clicked (bool checked)
     if (m_config.pwrBandTuneMemory ()) {
       m_pwrBandTxMemory[curBand] = ui->outAttenuation->value(); // remember our Tx pwr
       m_PwrBandSetOK = false;
-      ui->outAttenuation->setValue(m_pwrBandTuneMemory[curBand].toInt()); // set to Tune pwr
+      if (m_pwrBandTuneMemory.contains(curBand)) {
+        ui->outAttenuation->setValue(m_pwrBandTuneMemory[curBand].toInt()); // set to Tune pwr
+      }
       m_PwrBandSetOK = true;
     }
   }