fix build error

5 jobs for 166-fix in 7 minutes and 51 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Codestyle
passed #171691
nodejs
tslint

00:01:40

 
  Test
passed #171692
nodejs
unit_tests

00:01:46

 
  Build
passed #171693
angular
ngbuild

00:04:23

 
  Review
passed #171694
nginx
review

00:00:01

manual #171695
nginx allowed to fail manual
stop_review