diff --git a/pkgs/applications/video/MPlayer/default.nix b/pkgs/applications/video/MPlayer/default.nix
index 78ade5c23469..170c2ca4f7e8 100644
--- a/pkgs/applications/video/MPlayer/default.nix
+++ b/pkgs/applications/video/MPlayer/default.nix
@@ -23,6 +23,10 @@ let
     inherit stdenv fetchurl;
   };
 
+  rp9codecs = (import ./rp9codecs) {
+    inherit stdenv fetchurl;
+  };
+
 in
 
 stdenv.mkDerivation {
@@ -51,7 +55,7 @@ stdenv.mkDerivation {
     ${if cacaSupport then "--enable-caca" else "--disable-caca"}
     ${if dvdnavSupport then "--enable-dvdnav" else ""}
     --win32codecsdir=${win32codecs}
-    --realcodecsdir=${win32codecs}
+    --realcodecsdir=${rp9codecs}
     --enable-runtime-cpudetection
     --enable-x11 --with-extraincdir=${libX11}/include
     --disable-xanim
diff --git a/pkgs/applications/video/MPlayer/rp9codecs/builder.sh b/pkgs/applications/video/MPlayer/rp9codecs/builder.sh
new file mode 100644
index 000000000000..b8dfd5ce6b8e
--- /dev/null
+++ b/pkgs/applications/video/MPlayer/rp9codecs/builder.sh
@@ -0,0 +1,11 @@
+source $stdenv/setup
+
+buildPhase=true
+
+installPhase() {
+    mkdir $out
+    cp -prv * $out
+}
+installPhase=installPhase
+
+genericBuild
diff --git a/pkgs/applications/video/MPlayer/rp9codecs/default.nix b/pkgs/applications/video/MPlayer/rp9codecs/default.nix
new file mode 100644
index 000000000000..27d95f21604f
--- /dev/null
+++ b/pkgs/applications/video/MPlayer/rp9codecs/default.nix
@@ -0,0 +1,8 @@
+{stdenv, fetchurl}: stdenv.mkDerivation {
+  name = "MPlayer-rp9codecs-20050115";
+  builder = ./builder.sh;
+  src = fetchurl {
+    url = http://www2.mplayerhq.hu/MPlayer/releases/codecs/rp9codecs-20050115.tar.bz2;
+    sha256 = "353c22e2c992a1c730bdd5fade66a94e1a058e38063d2ce064a6510b70c39677";
+  };
+}