diff --git a/lib/types/string.js b/lib/types/string.js
index db2b8b51..57b3d34b 100755
--- a/lib/types/string.js
+++ b/lib/types/string.js
@@ -742,7 +742,7 @@ module.exports = Any.extend({
 internals.addressOptions = function (options) {
 
     if (!options) {
-        return internals.tlds;
+        return internals.tlds || options;      // $lab:coverage:ignore$
     }
 
     // minDomainSegments