Olympique Lyon management are concerned over Nabil Fekir's stand regarding new contract talks.
With Chelsea and Bayern Munich circling, the OL captain has so far refused to consider negotiations over a new deal.
Tied to Lyon until 2020, Fekir is in contact with Chelsea, while Bayern are also watching developments closely.
OL are reluctant to lose the midfielder with a Champions League knockout tie to navigate, but given his contract situation the board could be forced into a January sale.
Fekir stated a fortnight ago: "My extension? It's a goal the club has set for itself. Now we will see with the president. A departure this summer? No, not for the moment, but you know, in football, nothing is done in advance."