diff --git a/ChangeLog b/ChangeLog
index faba03022d..bf3b99aa10 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2008-01-24  David Schleef  <ds@schleef.org>
+
+	Patch by: Olivier Crete <tester@tester.ca>
+
+	* gst/rtpmanager/rtpsource.c: Fix unref of buffer using the
+	  wrong function.  Fixes #511920
+
 2008-01-24  Stefan Kost  <ensonic@users.sf.net>
 
 	* docs/plugins/Makefile.am:
diff --git a/gst/rtpmanager/rtpsource.c b/gst/rtpmanager/rtpsource.c
index c48c8d0b9d..1938324f2a 100644
--- a/gst/rtpmanager/rtpsource.c
+++ b/gst/rtpmanager/rtpsource.c
@@ -878,7 +878,7 @@ rtp_source_process_rtp (RTPSource * src, GstBuffer * buffer,
         /* remove packets from queue if there are too many */
         while (g_queue_get_length (src->packets) > RTP_MAX_PROBATION_LEN) {
           q = g_queue_pop_head (src->packets);
-          gst_object_unref (q);
+          gst_buffer_unref (q);
         }
         goto done;
       }