1 files changed, 5 insertions, 3 deletions
diff --git a/nixpkgs/pkgs/development/libraries/libmpack/default.nix b/nixpkgs/pkgs/development/libraries/libmpack/default.nix
index b62da40499cd..edb692d512d7 100644
--- a/nixpkgs/pkgs/development/libraries/libmpack/default.nix
+++ b/nixpkgs/pkgs/development/libraries/libmpack/default.nix
@@ -10,9 +10,11 @@ stdenv.mkDerivation rec {
     sha256 = "0rai5djdkjz7bsn025k5489in7r1amagw1pib0z4qns6b52kiar2";
   };
 
-  nativeBuildInputs = [ libtool ];
-
-  makeFlags = [ "LIBTOOL=libtool" "PREFIX=$(out)" ];
+  makeFlags = [
+    "LIBTOOL=${libtool}/bin/libtool"
+    "PREFIX=$(out)"
+    "config=release"
+  ];
 
   meta = with lib; {
     description = "Simple implementation of msgpack in C";