Kimi Raikkonen did not attend his media commitments in Belgium on Thursday as he was unwell.
The 33-year-old's future has been one of the hot topics in the build-up to this weekend's grand prix at Spa.
Although Raikkonen was linked to a move to Red Bull, in recent weeks reports have emerged claiming he could make a sensational return to Ferrari while his manager Steve Robertson recently stated that "Lotus hold the key to Raikkonen's future."
However, which way Raikkonen is leaning remains a secret as the Finn withdrew from Thursday's proceedings with illness.
Lotus said in a brief statement: "Thursday media call cancelled due to illness - he will be here tomorrow Friday."