diff --git a/dist/bespoke-scale.js b/dist/bespoke-scale.js
old mode 100755
new mode 100644
index 4b06a5f..79a6955
--- a/dist/bespoke-scale.js
+++ b/dist/bespoke-scale.js
@@ -1,7 +1,7 @@
 /*!
  * bespoke-scale v1.0.1
  *
- * Copyright 2014, Mark Dalgleish
+ * Copyright 2015, Mark Dalgleish
  * This content is released under the MIT license
  * http://mit-license.org/markdalgleish
  */
@@ -13,7 +13,7 @@ module.exports = function(options) {
       firstSlide = deck.slides[0],
       slideHeight = firstSlide.offsetHeight,
       slideWidth = firstSlide.offsetWidth,
-      useZoom = options === 'zoom' || ('zoom' in parent.style && options !== 'transform'),
+      useZoom = options === 'zoom' || (options !== 'transform' && 'webkitAppearance' in parent.style),
 
       wrap = function(element) {
         var wrapper = document.createElement('div');
diff --git a/dist/bespoke-scale.min.js b/dist/bespoke-scale.min.js
old mode 100755
new mode 100644
index 66acbc8..6b1c056
--- a/dist/bespoke-scale.min.js
+++ b/dist/bespoke-scale.min.js
@@ -1,2 +1,2 @@
-/*! bespoke-scale v1.0.1 © 2014 Mark Dalgleish, MIT License */
-!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var n;"undefined"!=typeof window?n=window:"undefined"!=typeof global?n=global:"undefined"!=typeof self&&(n=self);var t=n;t=t.bespoke||(t.bespoke={}),t=t.plugins||(t.plugins={}),t.scale=e()}}(function(){return function e(n,t,o){function r(f,s){if(!t[f]){if(!n[f]){var u="function"==typeof require&&require;if(!s&&u)return u(f,!0);if(i)return i(f,!0);throw new Error("Cannot find module '"+f+"'")}var d=t[f]={exports:{}};n[f][0].call(d.exports,function(e){var t=n[f][1][e];return r(t?t:e)},d,d.exports,e,n,t,o)}return t[f].exports}for(var i="function"==typeof require&&require,f=0;f<o.length;f++)r(o[f]);return r}({1:[function(e,n){n.exports=function(e){return function(n){var t=n.parent,o=n.slides[0],r=o.offsetHeight,i=o.offsetWidth,f="zoom"===e||"zoom"in t.style&&"transform"!==e,s=function(e){var n=document.createElement("div");return n.className="bespoke-scale-parent",e.parentNode.insertBefore(n,e),n.appendChild(e),n},u=f?n.slides:n.slides.map(s),d=function(e){var n="Moz Webkit O ms".split(" ");return n.reduce(function(n,o){return o+e in t.style?o+e:n},e.toLowerCase())}("Transform"),a=f?function(e,n){n.style.zoom=e}:function(e,n){n.style[d]="scale("+e+")"},l=function(){var e=t.offsetWidth/i,n=t.offsetHeight/r;u.forEach(a.bind(null,Math.min(e,n)))};window.addEventListener("resize",l),l()}}},{}]},{},[1])(1)});
\ No newline at end of file
+/*! bespoke-scale v1.0.1 © 2015 Mark Dalgleish, MIT License */
+!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var n;"undefined"!=typeof window?n=window:"undefined"!=typeof global?n=global:"undefined"!=typeof self&&(n=self);var t=n;t=t.bespoke||(t.bespoke={}),t=t.plugins||(t.plugins={}),t.scale=e()}}(function(){return function e(n,t,r){function o(f,s){if(!t[f]){if(!n[f]){var u="function"==typeof require&&require;if(!s&&u)return u(f,!0);if(i)return i(f,!0);throw new Error("Cannot find module '"+f+"'")}var a=t[f]={exports:{}};n[f][0].call(a.exports,function(e){var t=n[f][1][e];return o(t?t:e)},a,a.exports,e,n,t,r)}return t[f].exports}for(var i="function"==typeof require&&require,f=0;f<r.length;f++)o(r[f]);return o}({1:[function(e,n){n.exports=function(e){return function(n){var t=n.parent,r=n.slides[0],o=r.offsetHeight,i=r.offsetWidth,f="zoom"===e||"transform"!==e&&"webkitAppearance"in t.style,s=function(e){var n=document.createElement("div");return n.className="bespoke-scale-parent",e.parentNode.insertBefore(n,e),n.appendChild(e),n},u=f?n.slides:n.slides.map(s),a=function(e){var n="Moz Webkit O ms".split(" ");return n.reduce(function(n,r){return r+e in t.style?r+e:n},e.toLowerCase())}("Transform"),d=f?function(e,n){n.style.zoom=e}:function(e,n){n.style[a]="scale("+e+")"},l=function(){var e=t.offsetWidth/i,n=t.offsetHeight/o;u.forEach(d.bind(null,Math.min(e,n)))};window.addEventListener("resize",l),l()}}},{}]},{},[1])(1)});
\ No newline at end of file
diff --git a/lib/bespoke-scale.js b/lib/bespoke-scale.js
index e45a209..888d67c 100644
--- a/lib/bespoke-scale.js
+++ b/lib/bespoke-scale.js
@@ -4,7 +4,7 @@ module.exports = function(options) {
       firstSlide = deck.slides[0],
       slideHeight = firstSlide.offsetHeight,
       slideWidth = firstSlide.offsetWidth,
-      useZoom = options === 'zoom' || ('zoom' in parent.style && options !== 'transform'),
+      useZoom = options === 'zoom' || (options !== 'transform' && 'webkitAppearance' in parent.style),
 
       wrap = function(element) {
         var wrapper = document.createElement('div');
diff --git a/test/spec/bespoke-scaleSpec.js b/test/spec/bespoke-scaleSpec.js
index 1bd0226..64ba2bb 100644
--- a/test/spec/bespoke-scaleSpec.js
+++ b/test/spec/bespoke-scaleSpec.js
@@ -11,6 +11,7 @@ describe("bespoke-scale", function() {
       var style = document.createElement('style'),
         parent = document.createElement('article');
 
+      parent.className = 'bespoke-parent';
       container = document.createElement('div');
 
       style.innerText =
@@ -19,7 +20,9 @@ describe("bespoke-scale", function() {
         '.bespoke-slide { position: absolute; left: 50%; top: 50%; width: 100px; height: 100px; margin-left: -50px; margin-top: -50px; }';
 
       for (var i = 0; i < 10; i++) {
-        parent.appendChild(document.createElement('section'));
+        var slide = document.createElement('section');
+        slide.className = 'bespoke-slide';
+        parent.appendChild(slide);
       }
 
       container.appendChild(style);