diff --git a/python-kadmin.nix b/python-kadmin.nix
index 4fdc9c0..99a807f 100644
--- a/python-kadmin.nix
+++ b/python-kadmin.nix
@@ -1,24 +1,23 @@
-{ buildPythonPackage, bison, krb5, fetchFromGitHub }:
+{ buildPythonPackage, bison, krb5, fetchFromGitHub, fetchurl }:
 
 buildPythonPackage rec {
   pname = "python-kadmin-${version}";
-  version = "0.0.2";
+  version = "0.0.3";
   nativeBuildInputs = [ bison ];
   buildInputs = [ krb5 ];
   src = fetchFromGitHub {
     owner = "nightfly19";
     repo = "python-kadmin";
-    #rev = "c1acec9d197b79e3f51928aad6df0f99e86283c2";
-    #sha256 = "0jb0k998624scy204im068kwhnwa2l6vag69qi3hnmlpr1q3wh0z";
     rev = "31d25f734b926b71e15d4c2f3a2e68decf8a465b";
     sha256 = "1vnmrd9sz08sr3nsg1n1rgwrqai802hba8gqybgabblbza4kg4x1";
   };
+
   preConfigure = ''
     substituteInPlace setup.py --replace '["/usr/include/", "/usr/include/et/"]' '["${krb5.dev}/include"]'
+    sed -i 's/^PyTypeObject /extern PyTypeObject /g' src/*.h
   '';
   postInstall = ''
     ln -s $src $out
   '';
-  #doCheck=false;
   doCheck=true;
 }