diff --git a/dist/index.js b/dist/index.js
index eaceadd..38a496a 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -2,4 +2,4 @@
  * @license MIT https://github.com/omgaz/diffler
  * Author: Gary Chisholm @omgaz
  */
-function diffler(o,f){var n,r,t,e,i={};for(n in o){o.hasOwnProperty(n)&&"function"!=typeof o[n]&&(t=o[n],e=f[n],n in f?"object"==typeof t?(r=diffler(t,e),0<Object.keys(r).length&&r&&(i[n]=r)):t!==e&&(i[n]={from:t,to:e}):i[n]={from:t,to:null})}for(n in f){f.hasOwnProperty(n)&&"function"!=typeof f[n]&&(t=o[n],e=f[n],n in o||((i=i||{})[n]={from:null,to:e}))}return i}module.exports=diffler;
\ No newline at end of file
+function isArray(r){return"object"==typeof r&&Boolean(r.length)}function isPrimitive(r){return r!==Object(r)}function validate(r){if(isPrimitive(r))return r;throw new Error("Cannot ignore array ordering on non-primitive values")}var defaultOptions={respectArrayOrder:!0};function diffler(r,t,e){void 0===e&&(e=defaultOptions);var o,n,i,a,f,l={};for(o in r){r.hasOwnProperty(o)&&"function"!=typeof r[o]&&(a=r[o],f=t[o],o in t?"object"==typeof a?(i=f,isArray(n=a)&&isArray(f)&&(a.map(validate),f.map(validate),e.respectArrayOrder||(n=a.sort(),i=f.sort())),i=diffler(n,i,e),0<Object.keys(i).length&&i&&(l[o]=i)):a!==f&&(l[o]={from:a,to:f}):l[o]={from:a,to:null})}for(o in t){t.hasOwnProperty(o)&&"function"!=typeof t[o]&&(a=r[o],f=t[o],o in r||((l=l||{})[o]={from:null,to:f}))}return l}module.exports=diffler;
\ No newline at end of file
diff --git a/src/index.js b/src/index.js
index 0ca4ca8..31d90c3 100644
--- a/src/index.js
+++ b/src/index.js
@@ -29,7 +29,10 @@ var defaultOptions = {
  * @param {boolean} options.respectArrayOrder Whether to care if arrays are ordered defaults to true.
  * @returns {object} Nested json object of changed properties containing a from and to key.
  */
-function diffler(obj1, obj2, options = defaultOptions) {
+function diffler(obj1, obj2, options) {
+  if (typeof options === "undefined") {
+    options = defaultOptions;
+  }
   var diff = {};
 
   // Iterate over obj1 looking for removals and differences in existing values