diff --git a/pkgs/by-name/ma/maturin/package.nix b/pkgs/by-name/ma/maturin/package.nix
index 43512ea1b91ed..b601e897ef4b7 100644
--- a/pkgs/by-name/ma/maturin/package.nix
+++ b/pkgs/by-name/ma/maturin/package.nix
@@ -25,7 +25,7 @@ rustPlatform.buildRustPackage rec {
   cargoHash = "sha256-yLKt/Xml7ig6QG3T5Qn39tW7U5NIN1hSOaLiSRMiy5I=";
 
 
-  buildInputs = [python3] ++ lib.optionals stdenv.hostPlatform.isDarwin [
+  buildInputs = [ python3 ] ++ lib.optionals stdenv.hostPlatform.isDarwin [
     darwin.apple_sdk.frameworks.Security
     libiconv
   ];