diff --git a/LEGO1/mxmusicpresenter.h b/LEGO1/mxmusicpresenter.h
index ccaa6d5e..a000c2b9 100644
--- a/LEGO1/mxmusicpresenter.h
+++ b/LEGO1/mxmusicpresenter.h
@@ -21,7 +21,7 @@ class MxMusicPresenter : public MxAudioPresenter
   }
 
   MxMusicPresenter();
-  ~MxMusicPresenter();
+  virtual ~MxMusicPresenter() override;
 
 private:
   void Init();