diff --git a/src/components/core.js b/src/components/core.js
index d2075da..b70cd09 100644
--- a/src/components/core.js
+++ b/src/components/core.js
@@ -14,7 +14,7 @@
 	 */
 	var pfx = (function () {
 		var style = document.createElement('dummy').style,
-			prefixes = 'Webkit Moz O ms Khtml'.split(' '),
+			prefixes = ['Webkit', 'Moz', 'O', 'ms', 'Khtml', ''],
 			memory = {};
 		return function ( prop ) {
 			if ( typeof memory[ prop ] === "undefined" ) {
@@ -41,6 +41,9 @@
 		}
 		var index = 1 + name.substr(1).search(/[A-Z]/);
 		var prefix = name.substr(0, index).toLowerCase();
+		if(prefix === '') {
+			return name.toLowerCase();
+		}
 		var postfix = name.substr(index).toLowerCase();
 		return "-" + prefix + "-" + postfix;
 	}