diff --git a/lib/config/v2/departures/filters/route_directions.ex b/lib/config/v2/departures/filters/route_directions.ex
index 91b1258..e7ab4e7 100644
--- a/lib/config/v2/departures/filters/route_directions.ex
+++ b/lib/config/v2/departures/filters/route_directions.ex
@@ -24,4 +24,7 @@ defmodule ScreensConfig.V2.Departures.Filters.RouteDirections do
 
   defp value_from_json("action", "include"), do: :include
   defp value_from_json("action", "exclude"), do: :exclude
+
+  defp value_from_json(_, value), do: value
+  defp value_to_json(_, value), do: value
 end