diff --git a/plugins/channel/wfm/wfmdemodgui.cpp b/plugins/channel/wfm/wfmdemodgui.cpp
index 98d717393..1c076e40f 100644
--- a/plugins/channel/wfm/wfmdemodgui.cpp
+++ b/plugins/channel/wfm/wfmdemodgui.cpp
@@ -213,7 +213,8 @@ WFMDemodGUI::WFMDemodGUI(PluginAPI* pluginAPI, QWidget* parent) :
 	ui(new Ui::WFMDemodGUI),
 	m_pluginAPI(pluginAPI),
 	m_channelMarker(this),
-	m_basicSettingsShown(false)
+	m_basicSettingsShown(false),
+	m_channelPowerDbAvg(20,0)
 {
 	ui->setupUi(this);
 	ui->deltaFrequency->setColorMapper(ColorMapper(ColorMapper::ReverseGold));
@@ -295,5 +296,6 @@ void WFMDemodGUI::enterEvent(QEvent*)
 void WFMDemodGUI::tick()
 {
 	Real powDb = CalcDb::dbPower(m_wfmDemod->getMagSq());
-	ui->channelPower->setText(QString::number(powDb, 'f', 1));
+	m_channelPowerDbAvg.feed(powDb);
+	ui->channelPower->setText(QString::number(m_channelPowerDbAvg.average(), 'f', 1));
 }
diff --git a/plugins/channel/wfm/wfmdemodgui.h b/plugins/channel/wfm/wfmdemodgui.h
index 2afcd0f6a..dbe2302bf 100644
--- a/plugins/channel/wfm/wfmdemodgui.h
+++ b/plugins/channel/wfm/wfmdemodgui.h
@@ -4,6 +4,7 @@
 #include "gui/rollupwidget.h"
 #include "plugin/plugingui.h"
 #include "dsp/channelmarker.h"
+#include "dsp/movingaverage.h"
 
 class PluginAPI;
 
@@ -55,6 +56,7 @@ private:
 	ThreadedSampleSink* m_threadedChannelizer;
 	Channelizer* m_channelizer;
 	WFMDemod* m_wfmDemod;
+	MovingAverage<Real> m_channelPowerDbAvg;
 
 	static const int m_rfBW[];