diff --git a/etc/codecs.conf b/etc/codecs.conf
index f0017f8643..6bfe0dff0d 100644
--- a/etc/codecs.conf
+++ b/etc/codecs.conf
@@ -556,6 +556,7 @@ videocodec ffodivx
   fourcc mp4v,MP4V
   format 0x4
   fourcc UMP4
+  fourcc RMP4
   fourcc 3IV2,3iv2  ; 3ivx Delta 4   
   fourcc DXGM
   fourcc SEDG ; diskless camcorder Samsung Miniket VP-M110