diff --git a/ui/jquery.ui.tabs.js b/ui/jquery.ui.tabs.js
index 34b7daf1c..15bb282d7 100644
--- a/ui/jquery.ui.tabs.js
+++ b/ui/jquery.ui.tabs.js
@@ -273,7 +273,7 @@ $.widget("ui.tabs", {
 		// Show a tab...
 		var showTab = showFx ?
 			function(clicked, $show) {
-				$(clicked).closest('li').removeClass('ui-state-default').addClass('ui-tabs-selected ui-state-active');
+				$(clicked).closest('li').addClass('ui-tabs-selected ui-state-active');
 				$show.hide().removeClass('ui-tabs-hide') // avoid flicker that way
 					.animate(showFx, showFx.duration || 'normal', function() {
 						resetStyle($show, showFx);
@@ -281,7 +281,7 @@ $.widget("ui.tabs", {
 					});
 			} :
 			function(clicked, $show) {
-				$(clicked).closest('li').removeClass('ui-state-default').addClass('ui-tabs-selected ui-state-active');
+				$(clicked).closest('li').addClass('ui-tabs-selected ui-state-active');
 				$show.removeClass('ui-tabs-hide');
 				self._trigger('show', null, self._ui(clicked, $show[0]));
 			};
@@ -290,14 +290,14 @@ $.widget("ui.tabs", {
 		var hideTab = hideFx ?
 			function(clicked, $hide) {
 				$hide.animate(hideFx, hideFx.duration || 'normal', function() {
-					self.lis.removeClass('ui-tabs-selected ui-state-active').addClass('ui-state-default');
+					self.lis.removeClass('ui-tabs-selected ui-state-active');
 					$hide.addClass('ui-tabs-hide');
 					resetStyle($hide, hideFx);
 					self.element.dequeue("tabs");
 				});
 			} :
 			function(clicked, $hide, $show) {
-				self.lis.removeClass('ui-tabs-selected ui-state-active').addClass('ui-state-default');
+				self.lis.removeClass('ui-tabs-selected ui-state-active');
 				$hide.addClass('ui-tabs-hide');
 				self.element.dequeue("tabs");
 			};