diff --git a/misc/background_jobs_worker.pl b/misc/background_jobs_worker.pl
index 5a84d342ba..b503ebde9f 100755
--- a/misc/background_jobs_worker.pl
+++ b/misc/background_jobs_worker.pl
@@ -15,12 +15,53 @@
 # You should have received a copy of the GNU General Public License
 # along with Koha; if not, see <http://www.gnu.org/licenses>.
 
+=head1 NAME
+
+background_jobs_worker.pl - Worker script that will process background jobs
+
+=head1 SYNOPSIS
+
+./background_jobs_worker.pl [--job-type]
+
+=head1 DESCRIPTION
+
+This script will connect to the Stomp server (RabbitMQ) and subscribe to the different destination queues available.
+You can specify some queues only (using --job-type) if you want to run several workers that will handle their own jobs.
+
+=head1 OPTIONS
+
+=over
+
+=item B<--job-type>
+
+Give the job types this worker will process.
+
+The different values available are:
+
+    batch_biblio_record_modification
+    batch_authority_record_modification
+    update_elastic_index
+
+=back
+
+=cut
+
 use Modern::Perl;
 use JSON qw( decode_json );
 use Try::Tiny qw( catch try );
+use Pod::Usage;
+use Getopt::Long;
 
 use Koha::BackgroundJobs;
 
+my ( $help, @job_types );
+GetOptions(
+    'h|help' => \$help,
+    'job-type:s' => \@job_types,
+) || pod2usage(1);
+
+pod2usage(0) if $help;
+
 my $conn;
 try {
     $conn = Koha::BackgroundJob->connect;
@@ -28,7 +69,7 @@ try {
     warn sprintf "Cannot connect to the message broker, the jobs will be processed anyway (%s)", $_;
 };
 
-my @job_types = qw(
+my @available_job_types = qw(
     batch_biblio_record_modification
     batch_authority_record_modification
     batch_item_record_modification
@@ -36,8 +77,18 @@ my @job_types = qw(
     batch_authority_record_deletion
     batch_item_record_deletion
     batch_hold_cancel
+    update_elastic_index
 );
 
+if ( @job_types ) {
+    for my $job_type ( @job_types ) {
+        pod2usage( -verbose => 1, -msg => sprintf "You specify an invalid --job-type value: %s\n", $job_type )
+            unless grep { $_ eq $job_type } @available_job_types;
+    }
+} else {
+    @job_types = @available_job_types;
+}
+
 if ( $conn ) {
     # FIXME cf note in Koha::BackgroundJob about $namespace
     my $namespace = C4::Context->config('memcached_namespace');