diff --git a/ChangeLog b/ChangeLog
index 8794412684..f6bd49dbb5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2006-09-27  Wim Taymans  <wim@fluendo.com>
+
+	* gst-libs/gst/rtp/gstbasertpdepayload.c:
+	(gst_base_rtp_depayload_init), (gst_base_rtp_depayload_push_full),
+	(gst_base_rtp_depayload_push_ts), (gst_base_rtp_depayload_process),
+	(gst_base_rtp_depayload_set_gst_timestamp):
+	the source pad always uses fixed caps.
+
 2006-09-27  Wim Taymans  <wim@fluendo.com>
 
 	* docs/libs/gst-plugins-base-libs-docs.sgml:
diff --git a/gst-libs/gst/rtp/gstbasertpdepayload.c b/gst-libs/gst/rtp/gstbasertpdepayload.c
index 5a8bae2fea..2c7dab0cd9 100644
--- a/gst-libs/gst/rtp/gstbasertpdepayload.c
+++ b/gst-libs/gst/rtp/gstbasertpdepayload.c
@@ -150,6 +150,7 @@ gst_base_rtp_depayload_init (GstBaseRTPDepayload * filter, gpointer g_class)
       gst_element_class_get_pad_template (GST_ELEMENT_CLASS (g_class), "src");
   g_return_if_fail (pad_template != NULL);
   filter->srcpad = gst_pad_new_from_template (pad_template, "src");
+  gst_pad_use_fixed_caps (filter->srcpad);
   gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
 
   filter->queue = g_queue_new ();