However, due to these injuries his reign was short, he was usurped by his brother-in-law, Michael I Rangabe, on 2 October 811, after which he was sent to live in a monastery, where he stayed until he died of gangrene on 11 January 812.
Namun, karena luka-luka ini masa pemerintahannya singkat, ia direbut oleh saudara iparnya, Mikhael I Rangabe, pada tanggal 2 Oktober 811, setelah itu ia dikirim untuk tinggal di sebuah biara, di mana ia tinggal sampai ia meninggal karena gangren pada tanggal 11 Januari 812.