diff --git a/pkgs/tools/networking/lftp/default.nix b/pkgs/tools/networking/lftp/default.nix
index bb627f49971..b4886f58cbb 100644
--- a/pkgs/tools/networking/lftp/default.nix
+++ b/pkgs/tools/networking/lftp/default.nix
@@ -21,10 +21,14 @@ stdenv.mkDerivation rec {
 
   configureFlags = [
     "--with-readline=${readline.dev}"
+    "--with-zlib=${zlib.dev}"
+    "--without-expat"
   ];
 
   installFlags = [ "PREFIX=$(out)" ];
 
+  enableParallelBuilding = true;
+
   meta = with stdenv.lib; {
     description = "A file transfer program supporting a number of network protocols";
     homepage = https://lftp.tech/;