diff --git a/pkgs/tools/compression/zstd/default.nix b/pkgs/tools/compression/zstd/default.nix
index b4e1e105ceb0..5c04a943c10f 100644
--- a/pkgs/tools/compression/zstd/default.nix
+++ b/pkgs/tools/compression/zstd/default.nix
@@ -77,11 +77,13 @@ stdenv.mkDerivation rec {
 
     substituteInPlace ../programs/zstdless \
       --replace "zstdcat" "$bin/bin/zstdcat"
-  '' + lib.optionalString buildContrib ''
-    cp contrib/pzstd/pzstd $bin/bin/pzstd
-  '' + lib.optionalString stdenv.isDarwin ''
-    install_name_tool -change @rpath/libzstd.1.dylib $out/lib/libzstd.1.dylib $bin/bin/pzstd
-  '';
+  '' + lib.optionalString buildContrib (
+    ''
+      cp contrib/pzstd/pzstd $bin/bin/pzstd
+    '' + lib.optionalString stdenv.isDarwin ''
+      install_name_tool -change @rpath/libzstd.1.dylib $out/lib/libzstd.1.dylib $bin/bin/pzstd
+    ''
+  );
 
   outputs = [ "bin" "dev" ]
     ++ lib.optional stdenv.hostPlatform.isUnix "man"