1 files changed, 9 insertions, 10 deletions
diff --git a/ui/jquery.effects.core.js b/ui/jquery.effects.core.js
index bac060067..edf9aa400 100644
--- a/ui/jquery.effects.core.js
+++ b/ui/jquery.effects.core.js
@@ -268,16 +268,15 @@ $.effects.animateClass = function( value, duration, easing, callback ) {
 		// map all animated objects again - this time collecting a promise
 		allAnimations = allAnimations.map(function() {
 			var styleInfo = this,
-				dfd = $.Deferred();
-
-			this.el.animate( this.diff, {
-				duration: o.duration,
-				easing: o.easing,
-				queue: false,
-				complete: function() {
-					dfd.resolve( styleInfo );
-				}
-			});
+				dfd = $.Deferred(),
+				opts = jQuery.extend({}, o, {
+					queue: false,
+					complete: function() {
+						dfd.resolve( styleInfo )
+					}
+				});
+
+			this.el.animate( this.diff, opts );
 			return dfd.promise();
 		});