diff --git a/sdrgui/device/deviceuiset.cpp b/sdrgui/device/deviceuiset.cpp
index 6a7a779a5..499fcc76d 100644
--- a/sdrgui/device/deviceuiset.cpp
+++ b/sdrgui/device/deviceuiset.cpp
@@ -70,6 +70,11 @@ DeviceUISet::~DeviceUISet()
     delete m_spectrum;
 }
 
+void DeviceUISet::setSpectrumScalingFactor(float scalef)
+{
+    m_spectrumVis->setScalef(m_spectrumVis->getInputMessageQueue(), scalef);
+}
+
 void DeviceUISet::addChannelMarker(ChannelMarker* channelMarker)
 {
     m_spectrum->addChannelMarker(channelMarker);
diff --git a/sdrgui/device/deviceuiset.h b/sdrgui/device/deviceuiset.h
index ad065a201..4c69e5327 100644
--- a/sdrgui/device/deviceuiset.h
+++ b/sdrgui/device/deviceuiset.h
@@ -55,6 +55,7 @@ public:
     ~DeviceUISet();
 
     GLSpectrum *getSpectrum() { return m_spectrum; }     //!< Direct spectrum getter
+    void setSpectrumScalingFactor(float scalef);
     void addChannelMarker(ChannelMarker* channelMarker); //!< Add channel marker to spectrum
     void addRollupWidget(QWidget *widget);               //!< Add rollup widget to channel window
 
diff --git a/sdrgui/dsp/spectrumvis.cpp b/sdrgui/dsp/spectrumvis.cpp
index 022145265..97adccd8e 100644
--- a/sdrgui/dsp/spectrumvis.cpp
+++ b/sdrgui/dsp/spectrumvis.cpp
@@ -13,6 +13,7 @@ inline double log2f(double n)
 #endif
 
 MESSAGE_CLASS_DEFINITION(SpectrumVis::MsgConfigureSpectrumVis, Message)
+MESSAGE_CLASS_DEFINITION(SpectrumVis::MsgConfigureScalingFactor, Message)
 
 const Real SpectrumVis::m_mult = (10.0f / log2f(10.0f));
 
@@ -53,6 +54,12 @@ void SpectrumVis::configure(MessageQueue* msgQueue,
 	msgQueue->push(cmd);
 }
 
+void SpectrumVis::setScalef(MessageQueue* msgQueue, Real scalef)
+{
+    MsgConfigureScalingFactor* cmd = new MsgConfigureScalingFactor(scalef);
+    getInputMessageQueue()->push(cmd);
+}
+
 void SpectrumVis::feedTriggered(const SampleVector::const_iterator& triggerPoint, const SampleVector::const_iterator& end, bool positiveOnly)
 {
 	feed(triggerPoint, end, positiveOnly); // normal feed from trigger point
@@ -322,6 +329,12 @@ bool SpectrumVis::handleMessage(const Message& message)
 		        conf.getLinear());
 		return true;
 	}
+    else if (MsgConfigureScalingFactor::match(message))
+    {
+        MsgConfigureScalingFactor& conf = (MsgConfigureScalingFactor&) message;
+        handleScalef(conf.getScalef());
+        return true;
+    }
 	else
 	{
 		return false;
@@ -376,3 +389,9 @@ void SpectrumVis::handleConfigure(int fftSize,
 	m_ofs = 20.0f * log10f(1.0f / m_fftSize);
 	m_powFFTDiv = m_fftSize*m_fftSize;
 }
+
+void SpectrumVis::handleScalef(Real scalef)
+{
+    QMutexLocker mutexLocker(&m_mutex);
+    m_scalef = scalef;
+}
\ No newline at end of file
diff --git a/sdrgui/dsp/spectrumvis.h b/sdrgui/dsp/spectrumvis.h
index 73d3ca254..668f67ac5 100644
--- a/sdrgui/dsp/spectrumvis.h
+++ b/sdrgui/dsp/spectrumvis.h
@@ -61,6 +61,22 @@ public:
 		bool m_linear;
 	};
 
+    class MsgConfigureScalingFactor : public Message
+    {
+		MESSAGE_CLASS_DECLARATION
+
+	public:
+        MsgConfigureScalingFactor(Real scalef) :
+            Message(),
+            m_scalef(scalef)
+        {}
+
+        Real getScalef() const { return m_scalef; }
+
+    private:
+        Real m_scalef;
+    };
+
 	SpectrumVis(Real scalef, GLSpectrum* glSpectrum = 0);
 	virtual ~SpectrumVis();
 
@@ -71,6 +87,7 @@ public:
 	        AvgMode averagingMode,
 	        FFTWindow::Function window,
 	        bool m_linear);
+    void setScalef(MessageQueue* msgQueue, Real scalef);
 
 	virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool positiveOnly);
 	void feedTriggered(const SampleVector::const_iterator& triggerPoint, const SampleVector::const_iterator& end, bool positiveOnly);
@@ -113,6 +130,7 @@ private:
 	        AvgMode averagingMode,
 	        FFTWindow::Function window,
 	        bool linear);
+    void handleScalef(Real scalef);
 };
 
 #endif // INCLUDE_SPECTRUMVIS_H