diff --git a/gst/camerabin2/gstwrappercamerabinsrc.c b/gst/camerabin2/gstwrappercamerabinsrc.c
index 731d91eb4a..0843d85785 100644
--- a/gst/camerabin2/gstwrappercamerabinsrc.c
+++ b/gst/camerabin2/gstwrappercamerabinsrc.c
@@ -223,7 +223,10 @@ static void
 gst_wrapper_camera_bin_src_set_output (GstWrapperCameraBinSrc * self,
     GstPad * old_pad, GstPad * output_pad)
 {
-  gst_pad_peer_query (self->src_pad, gst_query_new_drain ());
+  GstQuery *drain = gst_query_new_drain ();
+  gst_pad_peer_query (self->src_pad, drain);
+  gst_query_unref (drain);
+
   if (old_pad)
     gst_ghost_pad_set_target (GST_GHOST_PAD (old_pad), NULL);
   if (output_pad)