diff --git a/program/localization/en_US/labels.inc b/program/localization/en_US/labels.inc
index 23f22a969..0b5ff8c5a 100644
--- a/program/localization/en_US/labels.inc
+++ b/program/localization/en_US/labels.inc
@@ -165,12 +165,16 @@ $labels['select'] = 'Select';
 $labels['all'] = 'All';
 $labels['none'] = 'None';
 $labels['currpage'] = 'Current page';
+$labels['isread'] = 'Read';
 $labels['unread'] = 'Unread';
 $labels['flagged'] = 'Flagged';
+$labels['unflagged'] = 'Not Flagged';
 $labels['unanswered'] = 'Unanswered';
 $labels['withattachment'] = 'With attachment';
 $labels['deleted'] = 'Deleted';
 $labels['undeleted'] = 'Not deleted';
+$labels['replied'] = 'Replied';
+$labels['forwarded'] = 'Forwarded';
 $labels['invert'] = 'Invert';
 $labels['filter'] = 'Filter';
 $labels['list'] = 'List';
diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
index 811e8782d..cbfb1200b 100644
--- a/program/steps/mail/func.inc
+++ b/program/steps/mail/func.inc
@@ -142,7 +142,9 @@ if (empty($RCMAIL->action) || $RCMAIL->action == 'list') {
     if (!$OUTPUT->ajax_call) {
         $OUTPUT->add_label('checkingmail', 'deletemessage', 'movemessagetotrash',
             'movingmessage', 'copyingmessage', 'deletingmessage', 'markingmessage',
-            'copy', 'move', 'quota', 'replyall', 'replylist', 'stillsearching');
+            'copy', 'move', 'quota', 'replyall', 'replylist', 'stillsearching',
+            'flagged', 'unflagged', 'unread', 'deleted', 'replied', 'forwarded',
+            'priority', 'withattachment');
     }
 
     $pagetitle = $RCMAIL->localize_foldername($mbox_name, true);