diff --git a/pkgs/by-name/mu/musly/package.nix b/pkgs/by-name/mu/musly/package.nix
index 1f8e1a9f3aef..e68f0a02f931 100644
--- a/pkgs/by-name/mu/musly/package.nix
+++ b/pkgs/by-name/mu/musly/package.nix
@@ -1,4 +1,11 @@
-{ lib, stdenv, fetchFromGitHub, cmake, eigen, ffmpeg_4 }:
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  cmake,
+  eigen,
+  ffmpeg_4,
+}:
 stdenv.mkDerivation {
   pname = "musly";
   version = "unstable-2017-04-26";
@@ -9,7 +16,10 @@ stdenv.mkDerivation {
     sha256 = "1q42wvdwy2pac7bhfraqqj2czw7w2m33ms3ifjl8phm7d87i8825";
   };
   nativeBuildInputs = [ cmake ];
-  buildInputs = [ eigen ffmpeg_4 ];
+  buildInputs = [
+    eigen
+    ffmpeg_4
+  ];
   fixupPhase = lib.optionalString stdenv.isDarwin ''
     install_name_tool -change libmusly.dylib $out/lib/libmusly.dylib $out/bin/musly
     install_name_tool -change libmusly_resample.dylib $out/lib/libmusly_resample.dylib $out/bin/musly