diff --git a/sys/decklink/gstdecklinksink.cpp b/sys/decklink/gstdecklinksink.cpp
index 023569fc1d..7ce9ecc5e2 100644
--- a/sys/decklink/gstdecklinksink.cpp
+++ b/sys/decklink/gstdecklinksink.cpp
@@ -527,6 +527,11 @@ gst_decklink_sink_stop (GstDecklinkSink * decklinksink)
   decklinksink->output->DisableAudioOutput ();
   decklinksink->output->DisableVideoOutput ();
 
+  decklinksink->output->Release ();
+  decklinksink->output = NULL;
+  decklinksink->decklink->Release ();
+  decklinksink->decklink = NULL;
+
   return TRUE;
 }