The 20-year-old German of the 2019–20 crusade on loan from the championship side, making 18 appearances.
“It’s a wonderful deal for the club to have a young man of such a reputation with us again,” General Manager Dane Murphy told the club’s website.
“He enjoyed being with us, and it was a no-brainer once we had the opportunity to bring him back.”
Find all the latest transfers on our compromised page.