diff --git a/pkgs/tools/text/opencc/default.nix b/pkgs/tools/text/opencc/default.nix
index 4093554604f6..53c36603afa2 100644
--- a/pkgs/tools/text/opencc/default.nix
+++ b/pkgs/tools/text/opencc/default.nix
@@ -1,4 +1,10 @@
-{ lib, stdenv, fetchFromGitHub, cmake, python3 }:
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  cmake,
+  python3,
+}:
 
 stdenv.mkDerivation rec {
   pname = "opencc";
@@ -11,7 +17,10 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-N7nazA0xoQ2ewOGDiJg1vBBYMdF1/qiCfNjG5CFFbuk=";
   };
 
-  nativeBuildInputs = [ cmake python3 ];
+  nativeBuildInputs = [
+    cmake
+    python3
+  ];
 
   meta = with lib; {
     homepage = "https://github.com/BYVoid/OpenCC";