Index: /trunk/roundcubemail/program/include/rcube_imap.php
===================================================================
--- /trunk/roundcubemail/program/include/rcube_imap.php	(revision 3328)
+++ /trunk/roundcubemail/program/include/rcube_imap.php	(revision 3329)
@@ -516,4 +516,7 @@
       $index = $this->_search_index($mailbox, $search_str);
       $count = is_array($index) ? count($index) : 0;
+
+      if ($mode == 'ALL')
+        $_SESSION['maxuid'][$mailbox] = $index ? $this->_id2uid(max($index)) : 0;
       }
     else {