diff --git a/apps/fz_http/lib/fz_http/config/definitions.ex b/apps/fz_http/lib/fz_http/config/definitions.ex
index d14f1b595..933691c8e 100644
--- a/apps/fz_http/lib/fz_http/config/definitions.ex
+++ b/apps/fz_http/lib/fz_http/config/definitions.ex
@@ -157,6 +157,7 @@ defmodule FzHttp.Config.Definitions do
       changeset
       |> FzHttp.Validator.validate_uri(key)
       |> FzHttp.Validator.normalize_url(key)
+      |> to_string()
     end
   )