diff --git a/config/config.exs b/config/config.exs
index d2d855e..becde76 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -1 +1 @@
-use Mix.Config
+import Config
diff --git a/mix.exs b/mix.exs
index ca7cb01..00ccae9 100644
--- a/mix.exs
+++ b/mix.exs
@@ -9,6 +9,7 @@ defmodule Erlex.MixProject do
       app: :erlex,
       version: @version,
       elixir: "~> 1.6",
+      compilers: [:yecc, :leex] ++ Mix.compilers(),
       start_permanent: Mix.env() == :prod,
       deps: deps(),
       description: description(),