diff --git a/pkgs/development/python-modules/pyftgl/default.nix b/pkgs/development/python-modules/pyftgl/default.nix
index a85837472255..1163f007b092 100644
--- a/pkgs/development/python-modules/pyftgl/default.nix
+++ b/pkgs/development/python-modules/pyftgl/default.nix
@@ -1,5 +1,13 @@
-{ stdenv, buildPythonPackage, fetchFromGitHub, isPy3k
-, boost, freetype, ftgl, libGLU_combined }:
+{ lib, buildPythonPackage, fetchFromGitHub, isPy3k
+, boost, freetype, ftgl, libGLU_combined
+, python
+}:
+
+let
+
+  pythonVersion = with lib.versions; "${major python.version}${minor python.version}";
+
+in
 
 buildPythonPackage rec {
   pname = "pyftgl";
@@ -13,13 +21,13 @@ buildPythonPackage rec {
     sha256 = "12zcjv4cwwjihiaf74kslrdmmk4bs47h7006gyqfwdfchfjdgg4r";
   };
 
-  postPatch = stdenv.lib.optional isPy3k ''
-    sed -i "s,'boost_python','boost_python3',g" setup.py
+  postPatch = ''
+    sed -i "s,'boost_python','boost_python${pythonVersion}',g" setup.py
   '';
 
   buildInputs = [ boost freetype ftgl libGLU_combined ];
 
-  meta = with stdenv.lib; {
+  meta = with lib; {
     description = "Python bindings for FTGL (FreeType for OpenGL)";
     license = licenses.gpl2Plus;
   };