diff --git a/samplebuffer.cpp b/samplebuffer.cpp
index 437eee7..6965ff7 100644
--- a/samplebuffer.cpp
+++ b/samplebuffer.cpp
@@ -25,6 +25,12 @@ SampleBuffer<Tin, Tout>::SampleBuffer(SampleSource<Tin> *src) : src(src)
 	src->subscribe(this);
 }
 
+template <typename Tin, typename Tout>
+SampleBuffer<Tin, Tout>::~SampleBuffer()
+{
+	src->unsubscribe(this);
+}
+
 template <typename Tin, typename Tout>
 std::unique_ptr<Tout[]> SampleBuffer<Tin, Tout>::getSamples(off_t start, off_t length)
 {
diff --git a/samplebuffer.h b/samplebuffer.h
index c9f0fae..4574931 100644
--- a/samplebuffer.h
+++ b/samplebuffer.h
@@ -31,6 +31,7 @@ private:
 
 public:
     SampleBuffer(SampleSource<Tin> *src);
+    ~SampleBuffer();
 	void invalidateEvent();
     virtual std::unique_ptr<Tout[]> getSamples(off_t start, off_t length);
     virtual void work(void *input, void *output, int count) = 0;