diff --git a/pkgs/applications/video/MPlayer/default.nix b/pkgs/applications/video/MPlayer/default.nix
index 7ce8f0ed789d..e2c25c3360ce 100644
--- a/pkgs/applications/video/MPlayer/default.nix
+++ b/pkgs/applications/video/MPlayer/default.nix
@@ -8,7 +8,8 @@
 , jackaudioSupport ? false, jackaudio ? null
 , x264Support ? false, x264 ? null
 , xvidSupport ? false, xvidcore ? null
-, mesa, pkgconfig, unzip
+, lameSupport ? true, lame ? null
+, mesa, pkgconfig, unzip, yasm
 }:
 
 assert alsaSupport -> alsa != null;
@@ -53,7 +54,7 @@ stdenv.mkDerivation {
   };
 
   buildInputs =
-    [ x11 libXv freetype zlib mesa pkgconfig ]
+    [ x11 libXv freetype zlib mesa pkgconfig yasm ]
     ++ stdenv.lib.optional alsaSupport alsa
     ++ stdenv.lib.optional xvSupport libXv
     ++ stdenv.lib.optional theoraSupport libtheora
@@ -65,7 +66,8 @@ stdenv.mkDerivation {
     ++ stdenv.lib.optional jackaudioSupport jackaudio
     ++ stdenv.lib.optionals amrSupport [ amrnb amrwb ]
     ++ stdenv.lib.optional x264Support x264
-    ++ stdenv.lib.optional xvidSupport xvidcore;
+    ++ stdenv.lib.optional xvidSupport xvidcore
+    ++ stdenv.lib.optional lameSupport lame;
 
   configureFlags = ''
     ${if cacaSupport then "--enable-caca" else "--disable-caca"}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 928baa70c24f..f4820cc7d817 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8189,7 +8189,7 @@ let
 
   MPlayer = import ../applications/video/MPlayer {
     inherit fetchurl stdenv freetype fontconfig x11 zlib libtheora libcaca libdvdnav
-      cdparanoia mesa pkgconfig unzip amrnb amrwb jackaudio x264 xvidcore;
+      cdparanoia mesa pkgconfig unzip amrnb amrwb jackaudio x264 xvidcore lame yasm;
     inherit (xlibs) libX11 libXv libXinerama libXrandr;
     alsaSupport = true;
     alsa = alsaLib;