diff --git a/etc/codecs.conf b/etc/codecs.conf
index 328012e476..6db0f5be2e 100644
--- a/etc/codecs.conf
+++ b/etc/codecs.conf
@@ -757,6 +757,14 @@ videocodec 3ivX
 
 ; experimental real video decoder using closed source codecs
 
+videocodec rv40
+  info "Linux RealPlayer 9 RV40 decoder"
+  status working
+  fourcc RV40,rv40
+  driver realvid
+  dll "drv4.so.6.0"
+  out I420
+
 videocodec rv30
   info "Linux RealPlayer 8 RV30 decoder"
   status working