diff --git a/pkgs/libubox/default.nix b/pkgs/libubox/default.nix
index 6c68e3e..43b0377 100644
--- a/pkgs/libubox/default.nix
+++ b/pkgs/libubox/default.nix
@@ -33,7 +33,8 @@ stdenv.mkDerivation rec {
   cmakeFlags = [
     "-DBUILD_EXAMPLES=off"
     # TODO: it explode at install phase.
-    "-DBUILD_LUA=off"
+    "-DBUILD_LUA=on"
+    "-DLUAPATH=${placeholder "out"}/lib/lua"
   ];
 
   meta = {