diff --git a/gst-libs/gst/pbutils/gstaudiovisualizer.h b/gst-libs/gst/pbutils/gstaudiovisualizer.h
index 285be66ae4..5c9fb48925 100644
--- a/gst-libs/gst/pbutils/gstaudiovisualizer.h
+++ b/gst-libs/gst/pbutils/gstaudiovisualizer.h
@@ -106,5 +106,7 @@ struct _GstAudioVisualizerClass
 GST_PBUTILS_API
 GType gst_audio_visualizer_get_type (void);
 
+G_DEFINE_AUTOPTR_CLEANUP_FUNC (GstAudioVisualizer, gst_object_unref)
+
 G_END_DECLS
 #endif /* __GST_AUDIO_VISUALIZER_H__ */