diff --git a/pkgs/tools/system/smartmontools/default.nix b/pkgs/tools/system/smartmontools/default.nix
index eb3c8dc2e0e1..1658b4ea4df8 100644
--- a/pkgs/tools/system/smartmontools/default.nix
+++ b/pkgs/tools/system/smartmontools/default.nix
@@ -1,17 +1,25 @@
-{ lib, stdenv, fetchurl, autoreconfHook
-, enableMail ? false, mailutils, inetutils
-, IOKit, ApplicationServices }:
+{ lib
+, stdenv
+, fetchurl
+, autoreconfHook
+, enableMail ? false
+, mailutils
+, inetutils
+, IOKit
+, ApplicationServices
+}:
 
 let
   dbrev = "5171";
   drivedbBranch = "RELEASE_7_2_DRIVEDB";
   driverdb = fetchurl {
-    url    = "https://sourceforge.net/p/smartmontools/code/${dbrev}/tree/branches/${drivedbBranch}/smartmontools/drivedb.h?format=raw";
+    url = "https://sourceforge.net/p/smartmontools/code/${dbrev}/tree/branches/${drivedbBranch}/smartmontools/drivedb.h?format=raw";
     sha256 = "0vncr98xagbcfsxgfgxsip2qrl9q3y8va19qhv6yknlwbdfap4mn";
-    name   = "smartmontools-drivedb.h";
+    name = "smartmontools-drivedb.h";
   };
 
-in stdenv.mkDerivation rec {
+in
+stdenv.mkDerivation rec {
   pname = "smartmontools";
   version = "7.2";
 
@@ -24,10 +32,11 @@ in stdenv.mkDerivation rec {
     # fixes darwin build
     ./smartmontools.patch
   ];
-  postPatch = "cp -v ${driverdb} drivedb.h";
+  postPatch = ''
+    cp -v ${driverdb} drivedb.h
+  '';
 
-  configureFlags = lib.optional enableMail
-    "--with-scriptpath=${lib.makeBinPath [ inetutils mailutils ]}";
+  configureFlags = lib.optional enableMail "--with-scriptpath=${lib.makeBinPath [ inetutils mailutils ]}";
 
   nativeBuildInputs = [ autoreconfHook ];
   buildInputs = lib.optionals stdenv.isDarwin [ IOKit ApplicationServices ];
@@ -35,10 +44,10 @@ in stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "Tools for monitoring the health of hard drives";
-    homepage    = "https://www.smartmontools.org/";
-    license     = licenses.gpl2Plus;
+    homepage = "https://www.smartmontools.org/";
+    license = licenses.gpl2Plus;
     maintainers = with maintainers; [ peti Frostman ];
-    platforms   = with platforms; linux ++ darwin;
+    platforms = with platforms; linux ++ darwin;
     mainProgram = "smartctl";
   };
 }