diff --git a/buglist.cgi b/buglist.cgi
index 830b66599f57ce06140b55d9383d83836c9eab6c..e08df3952d0ebca97e4f3e98bfc55970e41e0e11 100755
--- a/buglist.cgi
+++ b/buglist.cgi
@@ -1071,6 +1071,10 @@ if (defined $::FORM{'order'} && $::FORM{'order'} ne "") {
             $::FORM{'order'} = "map_assigned_to.login_name, bugs.bug_status, priority, bugs.bug_id";
             last ORDER;
         };
+        /Changed/ && do {
+            $::FORM{'order'} = "bugs.delta_ts, bugs.bug_status, bugs.priority, map_assigned_to.login_name, bugs.bug_id";
+            last ORDER;
+        };
         # DEFAULT
         $::FORM{'order'} = "bugs.bug_status, bugs.priority, map_assigned_to.login_name, bugs.bug_id";
     }
diff --git a/query.cgi b/query.cgi
index 10b644b634f0b1ab3429974cd602b5bee2e77d48..9ba9ea6894bd6bab74f4d86dee4ff314738cc022 100755
--- a/query.cgi
+++ b/query.cgi
@@ -1016,7 +1016,7 @@ print qq{
 };
 
 my $deforder = "'Importance'";
-my @orders = ('Bug Number', $deforder, 'Assignee');
+my @orders = ('Bug Number', $deforder, 'Assignee', 'Last Changed');
 
 if ($::COOKIE{'LASTORDER'}) {
     $deforder = "Reuse same sort as last time";