diff --git a/pkgs/tools/filesystems/mtools/default.nix b/pkgs/tools/filesystems/mtools/default.nix
index 5e8dd43f2594..49c40fb44efd 100644
--- a/pkgs/tools/filesystems/mtools/default.nix
+++ b/pkgs/tools/filesystems/mtools/default.nix
@@ -16,6 +16,8 @@ stdenv.mkDerivation rec {
 
   buildInputs = lib.optional stdenv.hostPlatform.isDarwin libiconv;
 
+  enableParallelBuilding = true;
+
   doCheck = true;
 
   passthru = {