diff --git a/sys/vdpau/gstvdpvideopostprocess.c b/sys/vdpau/gstvdpvideopostprocess.c
index 304db488ae..506f6d213e 100644
--- a/sys/vdpau/gstvdpvideopostprocess.c
+++ b/sys/vdpau/gstvdpvideopostprocess.c
@@ -1245,6 +1245,7 @@ gst_vdp_vpp_init (GstVdpVideoPostProcess * vpp,
   GstPadTemplate *src_template, *sink_template;
 
   vpp->device = NULL;
+  vpp->mixer = VDP_INVALID_HANDLE;
 
   vpp->display = NULL;