diff --git a/ChangeLog b/ChangeLog
index f828565677..a9e50f9010 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2008-05-13  Mark Nauwelaerts  <mnauw@users.sf.net>
+
+	* gst/avi/gstavimux.c: (gst_avi_mux_start_file):
+	Send an initial BYTE segment to inform downstream of later seeking,
+	and to forego sync attempts.
+
 2008-05-13  Wim Taymans  <wim.taymans@collabora.co.uk>
 
 	* gst/rtp/gstrtpg729depay.c: (gst_rtp_g729_depay_setcaps):
diff --git a/gst/avi/gstavimux.c b/gst/avi/gstavimux.c
index c9a75bd92d..f301e97e25 100644
--- a/gst/avi/gstavimux.c
+++ b/gst/avi/gstavimux.c
@@ -1417,6 +1417,10 @@ gst_avi_mux_start_file (GstAviMux * avimux)
     }
   }
 
+  /* let downstream know we think in BYTES and expect to do seeking later on */
+  gst_pad_push_event (avimux->srcpad,
+      gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_BYTES, 0, -1, 0));
+
   /* header */
   avimux->avi_hdr.streams = g_slist_length (avimux->sinkpads);
   avimux->is_bigfile = FALSE;