diff --git a/pkgs/applications/audio/zynaddsubfx/default.nix b/pkgs/applications/audio/zynaddsubfx/default.nix
index 52b9a57c00b2..1b3429f39d7f 100644
--- a/pkgs/applications/audio/zynaddsubfx/default.nix
+++ b/pkgs/applications/audio/zynaddsubfx/default.nix
@@ -4,16 +4,20 @@
 
 stdenv.mkDerivation  rec {
   name = "zynaddsubfx-${version}";
-  version = "3.0.2";
+  version = "3.0.3";
 
   src = fetchurl {
     url = "mirror://sourceforge/zynaddsubfx/zynaddsubfx-${version}.tar.bz2";
-    sha256 = "09mr23lqc51r7gskry5b7hk84pghdpgn1s4vnrzvx7xpa21gvplm";
+    sha256 = "1hfpiqdm337gl4ynkmmp2qss2m5z8mzqzjrbiyg6w1v4js7l9phi";
   };
 
   buildInputs = [ alsaLib cairo libjack2 fftw fltk13 lash libjpeg libXpm minixml ntk zlib liblo ];
   nativeBuildInputs = [ cmake pkgconfig ];
 
+  patchPhase = ''
+    substituteInPlace src/Misc/Config.cpp --replace /usr $out
+  '';
+
   hardeningDisable = [ "format" ];
 
   meta = with stdenv.lib; {