The next year, after a truce with the Avars had been arranged, he was appointed in charge of a regiment (taxiarchia) operating against the Slavic tribes that raided Thrace and had penetrated as far as the Long Walls of Anastasius, Constantinople's outer defensive system.
Tahun berikutnya, setelah gencatan senjata dengan suku Avar telah diatur, ia ditunjuk untuk memimpin resimen (taxiarchia) yang beroperasi melawan bangsa Slavia yang menyerang Trakia dan menembus sejauh Dinding Anastasius, sistem pertahanan luar Konstantinopel.