diff --git a/pkgs/tools/audio/essentia-extractor/default.nix b/pkgs/tools/audio/essentia-extractor/default.nix
index a02cca6a3d6..63ebbb0ffc0 100644
--- a/pkgs/tools/audio/essentia-extractor/default.nix
+++ b/pkgs/tools/audio/essentia-extractor/default.nix
@@ -14,13 +14,13 @@ let
 
   arch = arch_table.${stdenv.system};
   sha = sha_table.${stdenv.system};
-in stdenv.mkDerivation rec {
+in
+stdenv.mkDerivation rec {
   pname = "essentia-extractor";
   version = "2.1_beta2";
 
   src = fetchurl {
-    url =
-      "ftp://ftp.acousticbrainz.org/pub/acousticbrainz/essentia-extractor-v${version}-${arch}.tar.gz";
+    url = "ftp://ftp.acousticbrainz.org/pub/acousticbrainz/essentia-extractor-v${version}-${arch}.tar.gz";
     sha256 = sha;
   };