A Lufthansa flight from Los Angeles to Frankfurt, Germany, was pressured to make an unscheduled touchdown at Chicago O’Hare Worldwide Airport Monday night time after a passenger’s laptop computer overheated and caught fireplace.

In line with flight monitoring web site FlightAware, the aircraft took off from Los Angeles Worldwide Airport at 6:27 p.m. EST, touchdown at Chicago O’Hare at 10:22 p.m. EST, ending the flight six hours early.

The touchdown was a precautionary measure, with the fireplace extinguished earlier than the plane landed, in response to WLS-TV, a Chicago ABC affiliate.

Security was not compromised onboard and no passengers aboard the aircraft had been injured, however two flight attendants had been handled for smoke inhalation onsite after touchdown, The Related Press reported.

Lufthansa has not but responded to a request for remark.