diff --git a/demos/resizable/animate.html b/demos/resizable/animate.html
index 198b81a39..154aee270 100644
--- a/demos/resizable/animate.html
+++ b/demos/resizable/animate.html
@@ -9,7 +9,7 @@
 	<script type="text/javascript" src="../../ui/ui.resizable.js"></script>
 	<style type="text/css">
 	#resizable { width: 150px; height: 150px; padding: 0.5em; background-position: top left; }
-	.proxy { border: 1px dotted gray; }
+	.ui-resizable-helper { border: 1px dotted gray; }
 	</style>
 	<script type="text/javascript">
 	$(function() {
diff --git a/ui/ui.resizable.js b/ui/ui.resizable.js
index a5e5cb49a..8a56ba9df 100644
--- a/ui/ui.resizable.js
+++ b/ui/ui.resizable.js
@@ -27,7 +27,7 @@ $.widget("ui.resizable", $.extend({}, $.ui.mouse, {
 
 		$.extend(o, {
 			_aspectRatio: !!(o.aspectRatio),
-			helper: o.helper || o.ghost || o.animate ? o.helper || 'proxy' : null,
+			helper: o.helper || o.ghost || o.animate ? o.helper || 'ui-resizable-helper' : null,
 			knobHandles: o.knobHandles === true ? 'ui-resizable-knob-handle' : o.knobHandles
 		});