diff --git a/ChangeLog b/ChangeLog
index 71d87c3556..2226e1ef56 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2006-07-20  Stefan Kost  <ensonic@users.sf.net>
+
+	* gst-libs/gst/riff/riff-ids.h:
+          Add 'fact' chunk id
+
 2006-07-19  Wim Taymans  <wim@fluendo.com>
 
 	* gst-libs/gst/rtp/gstbasertpdepayload.c:
diff --git a/gst-libs/gst/riff/riff-ids.h b/gst-libs/gst/riff/riff-ids.h
index cbb4a2ca90..89046c3993 100644
--- a/gst-libs/gst/riff/riff-ids.h
+++ b/gst-libs/gst/riff/riff-ids.h
@@ -51,6 +51,8 @@ G_BEGIN_DECLS
 #define GST_RIFF_TAG_cue  GST_MAKE_FOURCC ('c','u','e',' ')
 #define GST_RIFF_TAG_bext GST_MAKE_FOURCC ('b','e','x','t')
 #define GST_RIFF_TAG_BEXT GST_MAKE_FOURCC ('B','E','X','T')
+#define GST_RIFF_TAG_fact GST_MAKE_FOURCC ('f','a','c','t')
+
 /* LIST types */
 #define GST_RIFF_LIST_movi GST_MAKE_FOURCC ('m','o','v','i')
 #define GST_RIFF_LIST_hdrl GST_MAKE_FOURCC ('h','d','r','l')