If you were hoping to book an Airbnb as part of your Halloween celebration this year, think again. To limit the spread of COVID-19 and strengthen its policy against unauthorized parties, Airbnb will be banning one-night stays over Halloween weekend this year in the US and Canada, and any existing one-night bookings will be canceled.

This applies to bookings for entire homes on October 30 or 31, and is part of Airbnb’s attempt to prevent large gatherings and parties — both due to the pandemic and previous rowdy incidents at properties.

“In case any individuals are able to avoid Airbnb’s defenses and host parties, trained agents from Airbnb’s neighborhood support line will be on call throughout the weekend to quickly respond to issues raised by neighbors,” Airbnb said in the announcement. “The great majority of guests are respectful of our hosts’ homes and neighbors, and we understand that this initiative will disrupt many one-night reservations that might not have led to parties. This action is designed to help protect our hosts and the communities they live in.”

Airbnb will refund any guests who have already booked a one-night stay, and hosts will be paid for stays canceled due to the new policy.