diff --git a/lib/auto_linker/parser.ex b/lib/auto_linker/parser.ex
index ecd4352..1f68733 100644
--- a/lib/auto_linker/parser.ex
+++ b/lib/auto_linker/parser.ex
@@ -208,7 +208,8 @@ defmodule AutoLinker.Parser do
       true
     else
       tld = host |> String.split(".") |> List.last()
-      tld in @tlds
+
+      Enum.member?(@tlds, tld)
     end
   end