diff --git a/pkgs/applications/audio/audacity/default.nix b/pkgs/applications/audio/audacity/default.nix
index 7d3c5187321..f2e2a130c0a 100644
--- a/pkgs/applications/audio/audacity/default.nix
+++ b/pkgs/applications/audio/audacity/default.nix
@@ -1,32 +1,27 @@
 { stdenv, fetchurl, wxGTK, pkgconfig, gettext, gtk, glib, zlib, perl, intltool,
   libogg, libvorbis, libmad, alsaLib, libsndfile, libsamplerate, flac, lame,
-  expat, id3lib, ffmpeg
+  expat, id3lib, ffmpeg, portaudio
   }:
 
 stdenv.mkDerivation rec {
-  version = "1.3.12";
+  version = "1.3.13";
   name = "audacity-${version}";
 
   NIX_CFLAGS_COMPILE = "-fPIC -lgtk-x11-2.0 -lglib-2.0 -lgobject-2.0 -lz";
 
   src = fetchurl {
     url = "mirror://sourceforge/audacity/audacity-minsrc-${version}-beta.tar.bz2";
-    sha256 = "f0f55839ca3013d2e43e5114c73d195bc34503685aeab683eafca4d1bbf3b768";
+    sha256 = "4c2eda638e16e16dfddd202e86ccbe1d170b04c26cfb2c12ffcba0b79e7e1e83";
   };
   buildInputs = [ wxGTK pkgconfig gettext gtk glib zlib intltool perl 
     libogg libvorbis libmad alsaLib libsndfile libsamplerate flac lame
-    expat id3lib ffmpeg];
+    expat id3lib ffmpeg portaudio];
 
   configureFlags = [
-    "--with-portmixer=no"
   ];
 
   dontDisableStatic = true;
 
-  preBuild = ''
-    (cd lib-src ; make portaudio-v19/lib/libportaudio.a ; ln -sf portaudio-v19/lib/.libs/libportaudio.a portaudio-v19/lib/libportaudio.a)
-  '';
-
   meta = {
     description = "Sound editor with graphical UI";
     homepage = http://audacity.sourceforge.net;
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index d5ffb377bf4..8bafe4c21a0 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5775,7 +5775,9 @@ let
 
   audacious = callPackage ../applications/audio/audacious { };
 
-  audacity = callPackage ../applications/audio/audacity { };
+  audacity = callPackage ../applications/audio/audacity { 
+    portaudio = portaudioSVN;
+  };
 
   aumix = callPackage ../applications/audio/aumix {
     gtkGUI = false;