1 files changed, 1 insertions, 1 deletions
diff --git a/lib/helpers.js b/lib/helpers.js
index 930fce1e..635c4ecc 100644
--- a/lib/helpers.js
+++ b/lib/helpers.js
@@ -83,7 +83,7 @@ var Helpers = function (faker) {
    * @param {array} o
    */
   self.shuffle = function (o) {
-      if (o.length === 0) {
+      if (typeof o === 'undefined' || o.length === 0) {
         return [];
       }
       o = o || ["a", "b", "c"];