diff --git a/pkgs/development/python-modules/gunicorn/default.nix b/pkgs/development/python-modules/gunicorn/default.nix
index 64f8e0c400c..58d712739d6 100644
--- a/pkgs/development/python-modules/gunicorn/default.nix
+++ b/pkgs/development/python-modules/gunicorn/default.nix
@@ -25,6 +25,10 @@ buildPythonPackage rec {
   # https://github.com/benoitc/gunicorn/commit/f38f717539b1b7296720805b8ae3969c3509b9c1
   doCheck = false;
 
+  postFixup = ''
+    sed -i 's#import run#import run\nimport os\nprint(os.environ.get("PYTHONPATH", None), site.getsitepackages())#' $out/bin/.gunicorn-wrapped
+  '';
+
   meta = with stdenv.lib; {
     homepage = https://pypi.python.org/pypi/gunicorn;
     description = "WSGI HTTP Server for UNIX";