diff --git a/plugins/samplesource/sdrdaemonfec/sdrdaemonfecgui.cpp b/plugins/samplesource/sdrdaemonfec/sdrdaemonfecgui.cpp
index c51f68e35..71909b1c4 100644
--- a/plugins/samplesource/sdrdaemonfec/sdrdaemonfecgui.cpp
+++ b/plugins/samplesource/sdrdaemonfec/sdrdaemonfecgui.cpp
@@ -107,6 +107,7 @@ SDRdaemonFECGui::~SDRdaemonFECGui()
 {
     m_deviceAPI->removeSink(m_fileSink);
     delete m_fileSink;
+    delete m_sampleSource;
 	delete ui;
 }