diff --git a/tests/examples/controller/audio-example.c b/tests/examples/controller/audio-example.c
index 544152c90f..f5b2774fa0 100644
--- a/tests/examples/controller/audio-example.c
+++ b/tests/examples/controller/audio-example.c
@@ -104,6 +104,7 @@ main (gint argc, gchar ** argv)
 
   /* cleanup */
   g_object_unref (G_OBJECT (ctrl));
+  gst_clock_id_unref (clock_id);
   gst_object_unref (G_OBJECT (clock));
   gst_object_unref (G_OBJECT (bin));
   res = 0;