fix header nullpointerexception

3 jobs for master in 8 minutes and 5 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #61486
mbr
test-sbt

00:03:57

 
  Build
passed #61487
mbr
assembly-sbt

00:02:02

 
  Publish
passed #61488
mbr
build-latest-image

00:02:05