diff --git a/test/erl/rebar.config b/test/erl/rebar.config
index 6035849..59a0788 100644
--- a/test/erl/rebar.config
+++ b/test/erl/rebar.config
@@ -1,5 +1,6 @@
+{sub_dirs, ["../../lib/erl"]}.
+
 {erl_opts, [
   debug_info,
-  {i, ["gen-erl"]},
-  {src_dirs, ["gen-erl"]}
+  {i, "../../lib/erl/include"}
 ]}.