diff --git a/modules/utils.js b/modules/utils.js
index e2dd6d3..55df0e2 100644
--- a/modules/utils.js
+++ b/modules/utils.js
@@ -1282,7 +1282,7 @@ function build_url_regex () {
         return quotemeta(obj);
     }
 
-    keywords(arguments, $path = "", $tlds = ["com"], $allow_www = false);
+    keywords(arguments, $path = "", $tlds = ["com", "co.uk"], $allow_www = false);
     var domain = regex_to_string(arguments.$domain);
     if(arguments.$allow_www) {
         domain = "(?:www\.)?" + domain;