Maxence Lacroix is said to have turned down two contract offers from VfL Wolfsburg.
Talks between the parties will continue after the end of the current campaign, as per the report.
Lacroix has impressed following his €5 million move from FC Sochaux last summer. So far, the 21-year-old has featured 34 times for 'Die Wölfe', racking up two goals and three assists.
Among others, Borussia Dortmund are reportedly interested in acquiring the highly-rated defender, whose current deal expires in 2024.