diff --git a/sdrbase/audio/audiofifo.cpp b/sdrbase/audio/audiofifo.cpp
index 93d2d97c8..b7d58b0a9 100644
--- a/sdrbase/audio/audiofifo.cpp
+++ b/sdrbase/audio/audiofifo.cpp
@@ -63,6 +63,13 @@ bool AudioFifo::setSize(uint32_t numSamples)
 	return create(numSamples);
 }
 
+bool AudioFifo::setSampleSize(uint32_t sampleSize, uint32_t numSamples)
+{
+	QMutexLocker mutexLocker(&m_mutex);
+    m_sampleSize = sampleSize;
+	return create(numSamples);
+}
+
 uint32_t AudioFifo::write(const quint8* data, uint32_t numSamples)
 {
 	uint32_t total;
diff --git a/sdrbase/audio/audiofifo.h b/sdrbase/audio/audiofifo.h
index 6ef854abb..f80aa9a0d 100644
--- a/sdrbase/audio/audiofifo.h
+++ b/sdrbase/audio/audiofifo.h
@@ -34,6 +34,7 @@ public:
 	~AudioFifo();
 
 	bool setSize(uint32_t numSamples);
+    bool setSampleSize(uint32_t sampleSize, uint32_t numSamples);
 
 	uint32_t write(const quint8* data, uint32_t numSamples);
 	uint32_t read(quint8* data, uint32_t numSamples);
@@ -53,7 +54,7 @@ private:
 
 	qint8* m_fifo;
 
-	const uint32_t m_sampleSize;
+	uint32_t m_sampleSize;
 
 	uint32_t m_size;
 	uint32_t m_fill;