diff --git a/include/gui/BufferQueue.h b/include/gui/BufferQueue.h
index bd62d85..d9292b7 100644
--- a/include/gui/BufferQueue.h
+++ b/include/gui/BufferQueue.h
@@ -57,7 +57,7 @@
     class ProxyConsumerListener : public BnConsumerListener {
     public:
         explicit ProxyConsumerListener(const wp<ConsumerListener>& consumerListener);
-        virtual ~ProxyConsumerListener();
+        ~ProxyConsumerListener() const;
         void onDisconnect() override;
         void onFrameAvailable(const BufferItem& item) override;
         void onFrameReplaced(const BufferItem& item) override;