diff --git a/plugins/channeltx/modwfm/wfmmodbaseband.cpp b/plugins/channeltx/modwfm/wfmmodbaseband.cpp
index 5ac75bd29..c8019d6f1 100644
--- a/plugins/channeltx/modwfm/wfmmodbaseband.cpp
+++ b/plugins/channeltx/modwfm/wfmmodbaseband.cpp
@@ -48,6 +48,7 @@ WFMModBaseband::WFMModBaseband()
 
 WFMModBaseband::~WFMModBaseband()
 {
+    DSPEngine::instance()->getAudioDeviceManager()->removeAudioSink(m_source.getFeedbackAudioFifo());
     DSPEngine::instance()->getAudioDeviceManager()->removeAudioSource(m_source.getAudioFifo());
     delete m_channelizer;
 }