diff --git a/lib/dotcom/content_rewriters/links.ex b/lib/dotcom/content_rewriters/links.ex
index 481068fa03..339ec4b641 100644
--- a/lib/dotcom/content_rewriters/links.ex
+++ b/lib/dotcom/content_rewriters/links.ex
@@ -46,9 +46,15 @@ defmodule Dotcom.ContentRewriters.Links do
   """
   def add_locale_params({"a", attrs, children} = element, %{cookies: %{"googtrans" => languages}}) do
     attr_map = Enum.into(attrs, %{})
-    href = Map.get(attr_map, "href", "")
     locale = String.split(languages, "/") |> List.last()
 
+    href =
+      case Map.get(attr_map, "href") do
+        href when is_binary(href) -> href
+        [href] -> href
+        _ -> ""
+      end
+
     if String.match?(href, ~r/mycharlie.mbta.com/) do
       updated_href = "#{href}?locale=#{locale}"
       updated_attrs = attr_map |> Map.replace!("href", updated_href) |> Map.to_list()