diff --git a/pkgs/development/interpreters/python/wrapper.nix b/pkgs/development/interpreters/python/wrapper.nix
index ba39965cb351..b4bd532dc1d9 100644
--- a/pkgs/development/interpreters/python/wrapper.nix
+++ b/pkgs/development/interpreters/python/wrapper.nix
@@ -8,7 +8,7 @@ let
   recursivePthLoader = import ../../python-modules/recursive-pth-loader/default.nix { stdenv = stdenv; python = python; };
   env = (
   let
-    paths = stdenv.lib.filter (x : x ? pythonPath) (stdenv.lib.closePropagation extraLibs) ++ [ python recursivePthLoader ];
+    paths = stdenv.lib.closePropagation (extraLibs ++ [ python recursivePthLoader ] ) ;
   in buildEnv {
     name = "${python.name}-env";