diff --git a/plugins/channeltx/modssb/ssbmod.cpp b/plugins/channeltx/modssb/ssbmod.cpp
index aa00a9ab7..1f195cfe2 100644
--- a/plugins/channeltx/modssb/ssbmod.cpp
+++ b/plugins/channeltx/modssb/ssbmod.cpp
@@ -201,7 +201,7 @@ void SSBMod::pull(Sample& sample)
 
 void SSBMod::pullAudio(int nbSamples)
 {
-    unsigned int nbSamplesAudio = nbSamples * m_interpolatorDistance;
+    unsigned int nbSamplesAudio = nbSamples * ((Real) m_config.m_audioSampleRate / (Real) m_config.m_basebandSampleRate);
 
     if (nbSamplesAudio > m_audioBuffer.size())
     {
@@ -567,13 +567,15 @@ bool SSBMod::handleMessage(const Message& cmd)
 	{
 		UpChannelizer::MsgChannelizerNotification& notif = (UpChannelizer::MsgChannelizerNotification&) cmd;
 
+		m_config.m_basebandSampleRate = notif.getBasebandSampleRate();
 		m_config.m_outputSampleRate = notif.getSampleRate();
 		m_config.m_inputFrequencyOffset = notif.getFrequencyOffset();
 
 		apply();
 
 		qDebug() << "SSBMod::handleMessage: MsgChannelizerNotification:"
-				<< " m_outputSampleRate: " << m_config.m_outputSampleRate
+				<< " m_basebandSampleRate: " << m_config.m_basebandSampleRate
+                << " m_outputSampleRate: " << m_config.m_outputSampleRate
 				<< " m_inputFrequencyOffset: " << m_config.m_inputFrequencyOffset;
 
 		return true;
diff --git a/plugins/channeltx/modssb/ssbmod.h b/plugins/channeltx/modssb/ssbmod.h
index 08851389d..b81c5f5ef 100644
--- a/plugins/channeltx/modssb/ssbmod.h
+++ b/plugins/channeltx/modssb/ssbmod.h
@@ -341,6 +341,7 @@ private:
     };
 
     struct Config {
+        int m_basebandSampleRate;
         int m_outputSampleRate;
         qint64 m_inputFrequencyOffset;
         Real m_bandwidth;
@@ -364,6 +365,7 @@ private:
         int m_agcThresholdDelay;
 
         Config() :
+            m_basebandSampleRate(0),
             m_outputSampleRate(0),
             m_inputFrequencyOffset(0),
             m_bandwidth(3000.0f),
diff --git a/sdrbase/dsp/upchannelizer.cpp b/sdrbase/dsp/upchannelizer.cpp
index e31d55487..8a7fae337 100644
--- a/sdrbase/dsp/upchannelizer.cpp
+++ b/sdrbase/dsp/upchannelizer.cpp
@@ -196,7 +196,7 @@ void UpChannelizer::applyConfiguration()
 
     if (m_sampleSource != 0)
     {
-        MsgChannelizerNotification notif(m_currentInputSampleRate, m_currentCenterFrequency);
+        MsgChannelizerNotification notif(m_outputSampleRate, m_currentInputSampleRate, m_currentCenterFrequency);
         m_sampleSource->handleMessage(notif);
     }
 }
diff --git a/sdrbase/dsp/upchannelizer.h b/sdrbase/dsp/upchannelizer.h
index 55e34d5f4..0f52c84a2 100644
--- a/sdrbase/dsp/upchannelizer.h
+++ b/sdrbase/dsp/upchannelizer.h
@@ -40,16 +40,19 @@ public:
         MESSAGE_CLASS_DECLARATION
 
     public:
-        MsgChannelizerNotification(int samplerate, qint64 frequencyOffset) :
+        MsgChannelizerNotification(int basebandSampleRate, int samplerate, qint64 frequencyOffset) :
             Message(),
+            m_basebandSampleRate(basebandSampleRate),
             m_sampleRate(samplerate),
             m_frequencyOffset(frequencyOffset)
         { }
 
+        int getBasebandSampleRate() const { return m_basebandSampleRate; }
         int getSampleRate() const { return m_sampleRate; }
         qint64 getFrequencyOffset() const { return m_frequencyOffset; }
 
     private:
+        int m_basebandSampleRate;
         int m_sampleRate;
         qint64 m_frequencyOffset;
     };