Nabil Bentaleb is currently on a season-long loan with Schalke
Nabil Bentaleb is currently on a season-long loan with Schalke and has impressed at the Veltins Arena.
The midfielder is expected to make his 20th Bundesliga appearance for the club this weekend against Cologne.
And Sky Sports claim this will trigger a compulsory purchase clause in the Algeria international's contract.
Nabil Bentaleb was not getting a look-in at Tottenham
The report says Schalke have agreed a £16million fee with Tottenahm to make Bentaleb's move permanent.
The 22-year-old has been an ever-present for Markus Weinzierl's side who currently sit 11th in the Bundesliga table.
Bentaleb has made 25 appearances in all competitions for Schalke, scoring five goals and providing five assists.
Premier League Done Deals: Every transfer out during January 2017
Thu, February 2, 2017
Express Sport brings you up to date with every departure from the Premier League during the January transfer window
1 of 156
Get Quotes on Home Insurance
Which players have left your Premier League club so far in January?
Asked about the midfielder's future in October, Weinzierl said: "I am not the right person for contractual information.
“It’s beyond debate that Nabil is playing really well right now.
"Central midfield is very important for every team and Nabil’s someone who furthers us there.”