diff --git a/pkgs/development/libraries/libmpack/default.nix b/pkgs/development/libraries/libmpack/default.nix
index e9bc2a646b7..2754c726da2 100644
--- a/pkgs/development/libraries/libmpack/default.nix
+++ b/pkgs/development/libraries/libmpack/default.nix
@@ -9,11 +9,11 @@ stdenv.mkDerivation rec {
     rev = version;
     sha256 = "0rai5djdkjz7bsn025k5489in7r1amagw1pib0z4qns6b52kiar2";
   };
-  LIBTOOL = "libtool";
-  buildInputs = [ libtool ];
-  preInstall = ''
-    export PREFIX=$out
-  '';
+
+  nativeBuildInputs = [ libtool ];
+
+  makeFlags = [ "LIBTOOL=libtool" "PREFIX=$(out)" ];
+
   meta = with stdenv.lib; {
     description = "Simple implementation of msgpack in C";
     homepage = https://github.com/tarruda/libmpack/;