diff -Nur osticket_1.6.rc2/upload/include/staff/tickets.inc.php osticket_1.6.rc2-patch6/upload/include/staff/tickets.inc.php
--- osticket_1.6.rc2/upload/include/staff/tickets.inc.php	2008-01-01 04:40:46.000000000 +0100
+++ osticket_1.6.rc2-patch6/upload/include/staff/tickets.inc.php	2008-01-24 13:06:57.000000000 +0100
@@ -217,7 +217,7 @@
         <td>Dept:</td>
         <td><select name="dept"><option value=0>All Departments</option>
             <?
-                $depts= db_query('SELECT dept_id,dept_name FROM '.DEPT_TABLE.' WHERE dept_id!='.db_input($ticket['dept_id']));
+                $depts= db_query('SELECT dept_id,dept_name FROM '.DEPT_TABLE.' WHERE dept_id!='.db_input($ticket['dept_id']).' AND dept_id IN ('.implode(',',db_input($thisuser->getDepts())).')');
                 while (list($deptId,$deptName) = db_fetch_row($depts)){
                 $selected = ($_GET['dept']==$deptId)?'selected':''; ?>
                 <option value="<?=$deptId?>"<?=$selected?>><?=$deptName?></option>