diff --git a/pkgs/by-name/pf/pflask/package.nix b/pkgs/by-name/pf/pflask/package.nix
index 53ed1e5a342c..3ca204b709c8 100644
--- a/pkgs/by-name/pf/pflask/package.nix
+++ b/pkgs/by-name/pf/pflask/package.nix
@@ -1,4 +1,11 @@
-{ lib, stdenv, fetchFromGitHub, fetchpatch, python3, wafHook }:
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  fetchpatch,
+  python3,
+  wafHook,
+}:
 
 stdenv.mkDerivation rec {
   pname = "pflask";
@@ -21,7 +28,10 @@ stdenv.mkDerivation rec {
     })
   ];
 
-  nativeBuildInputs = [ python3 wafHook ];
+  nativeBuildInputs = [
+    python3
+    wafHook
+  ];
 
   postInstall = ''
     mkdir -p $out/bin