diff --git a/plugins/channelrx/chanalyzer/chanalyzergui.cpp b/plugins/channelrx/chanalyzer/chanalyzergui.cpp
index 76b812b91..d2fd7648d 100644
--- a/plugins/channelrx/chanalyzer/chanalyzergui.cpp
+++ b/plugins/channelrx/chanalyzer/chanalyzergui.cpp
@@ -463,15 +463,16 @@ ChannelAnalyzerGUI::~ChannelAnalyzerGUI()
 
 void ChannelAnalyzerGUI::setSinkSampleRate()
 {
-    unsigned int channelSampleRate = m_basebandSampleRate / (1<<m_settings.m_log2Decim);
+    unsigned int nominalSinkSampleRate = m_basebandSampleRate / (1<<m_settings.m_log2Decim);
 
-    ui->rationalDownSamplerRate->setValueRange(7, 0.5*channelSampleRate, channelSampleRate);
+    ui->rationalDownSamplerRate->setValueRange(7, 0.5*nominalSinkSampleRate, nominalSinkSampleRate);
     ui->rationalDownSamplerRate->setValue(m_settings.m_rationalDownSamplerRate);
+    m_settings.m_rationalDownSamplerRate = ui->rationalDownSamplerRate->getValueNew();
 
     unsigned int sinkSampleRate = getSinkSampleRate();
 
-	qDebug("ChannelAnalyzerGUI::setSinkSampleRate: channelSampleRate: %u sinkSampleRate: %u",
-        channelSampleRate, sinkSampleRate);
+	qDebug("ChannelAnalyzerGUI::setSinkSampleRate: nominalSinkSampleRate: %u sinkSampleRate: %u",
+        nominalSinkSampleRate, sinkSampleRate);
 
 	setFiltersUIBoundaries();
 
diff --git a/plugins/channelrx/chanalyzer/chanalyzergui.h b/plugins/channelrx/chanalyzer/chanalyzergui.h
index b930a4b14..6e0ff6bd5 100644
--- a/plugins/channelrx/chanalyzer/chanalyzergui.h
+++ b/plugins/channelrx/chanalyzer/chanalyzergui.h
@@ -77,7 +77,7 @@ private:
 	ScopeVis* m_scopeVis;
 	MessageQueue m_inputMessageQueue;
 
-	explicit ChannelAnalyzerGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, BasebandSampleSink *rxChannel, QWidget* parent = 0);
+	explicit ChannelAnalyzerGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, BasebandSampleSink *rxChannel, QWidget* parent = nullptr);
 	virtual ~ChannelAnalyzerGUI();
 
 	int  getSinkSampleRate(); //!< get actual sink sample rate from GUI settings