Index: library/Zend/Navigation/Page.php =================================================================== --- library/Zend/Navigation/Page.php (revision 24362) +++ library/Zend/Navigation/Page.php (working copy) @@ -740,6 +740,10 @@ */ public function setVisible($visible = true) { + if (is_string($visible) && 'false' == strtolower($visible)) { + $visible = false; + } + $this->_visible = (bool) $visible; return $this; }