diff --git a/addon/utils/style-properties.js b/addon/utils/style-properties.js
index 8581a949..1b1bf9ff 100644
--- a/addon/utils/style-properties.js
+++ b/addon/utils/style-properties.js
@@ -1,7 +1,7 @@
 import Ember from 'ember';
 
 const { camelize, capitalize } = Ember.String;
-const stylePrefixes  = ['Webkit',  'ms',  'Moz',  'O'];
+const stylePrefixes  = ['webkit', 'Webkit',  'ms',  'Moz',  'O'];
 const cssPrefixes    = ['-webkit-','-ms-','-moz-','-o-'];
 
 const style = typeof document !== 'undefined' && document.documentElement && document.documentElement.style;