diff --git a/sys/dshowvideosink/dshowvideosink.h b/sys/dshowvideosink/dshowvideosink.h
index d5ea9e916a..003c1805fd 100644
--- a/sys/dshowvideosink/dshowvideosink.h
+++ b/sys/dshowvideosink/dshowvideosink.h
@@ -45,6 +45,7 @@ typedef struct _GstDshowVideoSinkClass GstDshowVideoSinkClass;
 class RendererSupport
 {
 public:
+  virtual ~RenderSupport() {};
   virtual const char *GetName() = 0;
   virtual IBaseFilter *GetFilter() = 0;
   virtual gboolean Configure() = 0;