diff --git a/e.ex b/e.ex
index c099190..f9c8aa0 100644
--- a/e.ex
+++ b/e.ex
@@ -1 +1,8 @@
-IO.puts('e')
+defmodule E do
+  def e do
+    IO.write(:stdio, 'e')
+    e()
+  end
+end
+
+E.e()