diff --git a/admin/settings_ticket.php b/admin/settings_ticket.php
index f9736c1f..3038cebd 100644
--- a/admin/settings_ticket.php
+++ b/admin/settings_ticket.php
@@ -66,7 +66,7 @@ require_once "includes/inc_all_admin.php";
                         <div class="input-group-prepend">
                             <span class="input-group-text"><i class="fa fa-fw fa-clock"></i></span>
                         </div>
-                        <input type="number" min="72" class="form-control" name="config_ticket_autoclose_hours" placeholder="Delay in hours before a resolved ticket is fully closed" value="<?php echo intval($config_ticket_autoclose_hours); ?>">
+                        <input type="number" min="24" class="form-control" name="config_ticket_autoclose_hours" placeholder="Delay in hours before a resolved ticket is fully closed" value="<?php echo intval($config_ticket_autoclose_hours); ?>">
                     </div>
                 </div>