Index: library/Zend/View/Helper/HeadLink.php =================================================================== --- library/Zend/View/Helper/HeadLink.php (revision 24708) +++ library/Zend/View/Helper/HeadLink.php (working copy) @@ -40,7 +40,19 @@ * * @var array */ - protected $_itemKeys = array('charset', 'href', 'hreflang', 'id', 'media', 'rel', 'rev', 'type', 'title', 'extras'); + protected $_itemKeys = array( + 'charset', + 'href', + 'hreflang', + 'id', + 'media', + 'rel', + 'rev', + 'type', + 'title', + 'extras', + 'sizes', + ); /** * @var string registry key