Index: wp-includes/js/admin-bar.js
===================================================================
--- wp-includes/js/admin-bar.js	(revision 31467)
+++ wp-includes/js/admin-bar.js	(working copy)
@@ -124,8 +124,12 @@
 		});
 
 		$('#wpadminbar').click( function(e) {
-			if ( e.target.id != 'wpadminbar' && e.target.id != 'wp-admin-bar-top-secondary' )
-				return;
+			if ( e.target.id != 'wpadminbar' && e.target.id != 'wp-admin-bar-top-secondary' ) {
+                return;
+            } else {
+                adminbar.find('li.menupop.hover').removeClass('hover');
+                return;
+            }
 
 			e.preventDefault();
 			$('html, body').animate({ scrollTop: 0 }, 'fast');