Fix month, which was handily flagged during build

7 jobs for 1.17.4 in 2 minutes and 45 seconds (queued for 2 seconds)
Status Name Job ID Coverage
  Build
passed build-deb:buster #5395

00:01:39

passed build-deb:jessie #5393

00:01:36

passed build-deb:stretch #5394

00:01:53

 
  Test
passed test-deb:buster #5398

00:00:26

passed test-deb:jessie #5396

00:00:16

passed test-deb:stretch #5397

00:00:22

 
  Deploy
passed aptly #5399

00:00:23