Expired Updates for this repository will not be applied

When running apt update on a Debian jessie server, i get following error

E: Release file for http://archive.debian.org/debian/dists/jessie-backports/InRelease is expired (invalid since 513d 20h 41min 47s). Updates for this repository will not be applied

To fix the error, run

echo "Acquire::Check-Valid-Until false;" | sudo tee -a /etc/apt/apt.conf.d/10-nocheckvalid