diff --git a/plugins/channelrx/chanalyzer/chanalyzergui.cpp b/plugins/channelrx/chanalyzer/chanalyzergui.cpp
index d394b076e..613b4891f 100644
--- a/plugins/channelrx/chanalyzer/chanalyzergui.cpp
+++ b/plugins/channelrx/chanalyzer/chanalyzergui.cpp
@@ -101,10 +101,12 @@ void ChannelAnalyzerGUI::displaySettings()
     setTitleColor(m_settings.m_rgbColor);
     setWindowTitle(m_channelMarker.getTitle());
 
+    ui->channelSampleRate->setValueRange(7, 0.501*m_channelAnalyzer->getInputSampleRate(), m_channelAnalyzer->getInputSampleRate());
+    ui->channelSampleRate->setValue(m_settings.m_downSampleRate);
+
     blockApplySettings(true);
 
     ui->useRationalDownsampler->setChecked(m_settings.m_downSample);
-    ui->channelSampleRate->setValue(m_settings.m_downSampleRate);
     setNewFinalRate();
     if (m_settings.m_ssb) {
         ui->BWLabel->setText("LP");
@@ -187,7 +189,7 @@ bool ChannelAnalyzerGUI::handleMessage(const Message& message)
     if (ChannelAnalyzer::MsgReportChannelSampleRateChanged::match(message))
     {
         qDebug() << "ChannelAnalyzerGUI::handleMessage: MsgReportChannelSampleRateChanged";
-        ui->channelSampleRate->setValueRange(7, 2000U, m_channelAnalyzer->getInputSampleRate());
+        ui->channelSampleRate->setValueRange(7, 0.501*m_channelAnalyzer->getInputSampleRate(), m_channelAnalyzer->getInputSampleRate());
         ui->channelSampleRate->setValue(m_settings.m_downSampleRate);
         setNewFinalRate();
 
@@ -401,7 +403,7 @@ ChannelAnalyzerGUI::ChannelAnalyzerGUI(PluginAPI* pluginAPI, DeviceUISet *device
     ui->deltaFrequency->setValueRange(false, 7, -9999999, 9999999);
 
 	ui->channelSampleRate->setColorMapper(ColorMapper(ColorMapper::GrayGreenYellow));
-	ui->channelSampleRate->setValueRange(7, 2000U, 9999999U);
+	ui->channelSampleRate->setValueRange(7, 0.501*m_rate, m_rate);
 
 	ui->glSpectrum->setCenterFrequency(m_rate/2);
 	ui->glSpectrum->setSampleRate(m_rate);
diff --git a/plugins/channelrx/chanalyzer/chanalyzerplugin.cpp b/plugins/channelrx/chanalyzer/chanalyzerplugin.cpp
index 60aa4b978..3004c4139 100644
--- a/plugins/channelrx/chanalyzer/chanalyzerplugin.cpp
+++ b/plugins/channelrx/chanalyzer/chanalyzerplugin.cpp
@@ -23,7 +23,7 @@
 
 const PluginDescriptor ChannelAnalyzerPlugin::m_pluginDescriptor = {
 	QString("Channel Analyzer"),
-	QString("4.3.0"),
+	QString("4.3.2"),
 	QString("(c) Edouard Griffiths, F4EXB"),
 	QString("https://github.com/f4exb/sdrangel"),
 	true,