diff --git a/dist/bespoke-scale.js b/dist/bespoke-scale.js
old mode 100755
new mode 100644
index 4b06a5f..ba71a69
--- 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
  */
@@ -26,11 +26,15 @@ module.exports = function(options) {
       elements = useZoom ? deck.slides : deck.slides.map(wrap),
 
       transformProperty = (function(property) {
-        var prefixes = 'Moz Webkit O ms'.split(' ');
-        return prefixes.reduce(function(currentProperty, prefix) {
-            return prefix + property in parent.style ? prefix + property : currentProperty;
-          }, property.toLowerCase());
-      }('Transform')),
+        if (!(property in parent.style)) {
+          var prefix = ['webkit', 'Moz', 'ms', 'O'];
+          var proper = property.charAt(0).toUpperCase() + property.substr(1);
+          for (var i = 0, len = prefix.length; i < len; i++) {
+            if (prefix[i] + proper in parent.style) { return prefix[i] + proper; }
+          }
+        }
+        return property;
+      }('transform')),
 
       scale = useZoom ?
         function(ratio, element) {
@@ -50,7 +54,6 @@ module.exports = function(options) {
     window.addEventListener('resize', scaleAll);
     scaleAll();
   };
-
 };
 
 },{}]},{},[1])
diff --git a/dist/bespoke-scale.min.js b/dist/bespoke-scale.min.js
old mode 100755
new mode 100644
index 66acbc8..2b97534
--- 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||"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),a=function(e){if(!(e in t.style))for(var n=["webkit","Moz","ms","O"],r=e.charAt(0).toUpperCase()+e.substr(1),o=0,i=n.length;i>o;o++)if(n[o]+r in t.style)return n[o]+r;return e}("transform"),l=f?function(e,n){n.style.zoom=e}:function(e,n){n.style[a]="scale("+e+")"},d=function(){var e=t.offsetWidth/i,n=t.offsetHeight/o;u.forEach(l.bind(null,Math.min(e,n)))};window.addEventListener("resize",d),d()}}},{}]},{},[1])(1)});
\ No newline at end of file
diff --git a/lib/bespoke-scale.js b/lib/bespoke-scale.js
index e45a209..04e08eb 100644
--- a/lib/bespoke-scale.js
+++ b/lib/bespoke-scale.js
@@ -17,11 +17,15 @@ module.exports = function(options) {
       elements = useZoom ? deck.slides : deck.slides.map(wrap),
 
       transformProperty = (function(property) {
-        var prefixes = 'Moz Webkit O ms'.split(' ');
-        return prefixes.reduce(function(currentProperty, prefix) {
-            return prefix + property in parent.style ? prefix + property : currentProperty;
-          }, property.toLowerCase());
-      }('Transform')),
+        if (!(property in parent.style)) {
+          var prefix = ['webkit', 'Moz', 'ms', 'O'];
+          var proper = property.charAt(0).toUpperCase() + property.substr(1);
+          for (var i = 0, len = prefix.length; i < len; i++) {
+            if (prefix[i] + proper in parent.style) { return prefix[i] + proper; }
+          }
+        }
+        return property;
+      }('transform')),
 
       scale = useZoom ?
         function(ratio, element) {
@@ -41,5 +45,4 @@ module.exports = function(options) {
     window.addEventListener('resize', scaleAll);
     scaleAll();
   };
-
 };