WestJet Airlines Ltd. has announced it plans to ban cannabis use for certain “safety-sensitive positions” even when they aren’t at work.

The move follows a similar decision by rival airline Air Canada and has been put in place just in time for cannabis legalization on Oct. 17.

According to WestJet, the ban includes flight and cabin crew members, flight dispatchers, aircraft maintenance engineers and station attendants.

Cannabis is being treated differently than alcohol, which is banned for certain staff members within 12 hours of coming on duty.

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The new WestJet policy also includes a prohibition on possession or distribution of cannabis on company property while on duty or attending a company social function.

“We believe these changes reflect our reputation as an industry leader in safety and our expectations that all employees report fit for duty and remain fit for duty at work,” said Spokeswoman Morgan Bell.

With files from the Canadian Press.