diff --git a/pkgs/development/python-modules/cryptography/default.nix b/pkgs/development/python-modules/cryptography/default.nix
index 1038431d31c..32624e54c40 100644
--- a/pkgs/development/python-modules/cryptography/default.nix
+++ b/pkgs/development/python-modules/cryptography/default.nix
@@ -42,6 +42,7 @@ buildPythonPackage rec {
 
   nativeBuildInputs = lib.optionals (!isPyPy) [
     cffi
+  ] ++ [
     rustPlatform.cargoSetupHook
     setuptools-rust
   ] ++ (with rustPlatform; [ rust.cargo rust.rustc ]);