[Plugin: WordPress SEO by Yoast] Problems with generation of descriptions on Cyrillics

I have problems with generation of descriptions on Cyrillics. Some fields are filled normally, but “description” and ‘og:description’ are contains “??????????”: http://idomainer.pro/statistika-prodazh-domenov-ru-su-rf-na-aukcione-ru-centra/

<!– This site is optimized with the Yoast WordPress SEO plugin v1.2.7 – http://yoast.com/wordpress/seo/ –>
<meta name=”description” content=”?????????? ?????? ??????? ? ??????? 2012 ????. ???? ?? ?????? ???????? ???? ?????????? ????? ?????? ?????? ? ???????? ???. ??? ?????????? ????? ?? ???????”/>
<meta name=”keywords” content=”Статистика продаж доменов RU, SU, РФ на аукционе Ру-Центра”/>
<link rel=”canonical” href=”http://idomainer.pro/statistika-prodazh-domenov-ru-su-rf-na-aukcione-ru-centra/&#8221; />
<meta property=’og:locale’ content=’ru_ru’/>
<meta property=’og:title’ content=’Статистика продаж доменов RU, SU, РФ на аукционе Ру-Центра | Секреты доменного бизнеса – блог профессионального домейнера’/>
<meta property=’og:description’ content=’?????????? ?????? ??????? ? ??????? 2012 ????. ???? ?? ?????? ???????? ???? ?????????? ????? ?????? ?????? ? ???????? ???. ??? ?????????? ????? ?? ???????’/>
<meta property=’og:url’ content=’http://idomainer.pro/statistika-prodazh-domenov-ru-su-rf-na-aukcione-ru-centra/’/&gt;
<meta property=’og:site_name’ content=’Секреты доменного бизнеса – блог профессионального домейнера’/>
<meta property=’og:type’ content=’article’/>
<!– / Yoast WordPress SEO plugin. –>

http://wordpress.org/extend/plugins/wordpress-seo/