diff --git a/Koha/BackgroundJob.pm b/Koha/BackgroundJob.pm
index 70e8339687..56b13fd8e4 100644
--- a/Koha/BackgroundJob.pm
+++ b/Koha/BackgroundJob.pm
@@ -69,8 +69,8 @@ sub connect {
     return
         unless $notification_method eq 'STOMP';
 
-    my $hostname = $ENV{KOHA_STOMP_HOSTNAME} // 'localhost';
-    my $port     = $ENV{KOHA_STOMP_PORT}     // '61613';
+    my $hostname = 'localhost';
+    my $port     = '61613';
 
     my $config = C4::Context->config('message_broker');
     my $credentials = {
diff --git a/t/db_dependent/Koha/BackgroundJob.t b/t/db_dependent/Koha/BackgroundJob.t
index 35f8fb4e7d..fbbeb7e106 100755
--- a/t/db_dependent/Koha/BackgroundJob.t
+++ b/t/db_dependent/Koha/BackgroundJob.t
@@ -22,6 +22,7 @@ use Encode;
 use Test::More tests => 6;
 use Test::MockModule;
 use Test::Exception;
+use Test::Warn;
 
 use Koha::Database;
 use Koha::BackgroundJobs;
@@ -299,16 +300,16 @@ subtest 'decoded_data() and set_encoded_data() tests' => sub {
 };
 
 subtest 'decoded_data() and set_encoded_data() tests' => sub {
-    plan tests => 2;
+    plan tests => 3;
 
-    $ENV{KOHA_STOMP_HOSTNAME} = "not_localhost";
-    $ENV{KOHA_STOMP_PORT} = "99999";
+    t::lib::Mocks::mock_config( 'message_broker', { hostname => 'not_localhost', port => '99999' } );
 
     t::lib::Mocks::mock_preference('JobsNotificationMethod', 'STOMP');
-    my $job = Koha::BackgroundJob->connect();
+    my $job;
+    warning_like { $job = Koha::BackgroundJob->connect() } qr{Cannot connect to broker};
     is( $job, undef, "Return undef if unable to connect when using stomp" );
 
     t::lib::Mocks::mock_preference('JobsNotificationMethod', 'polling');
     $job = Koha::BackgroundJob->connect();
     is( $job, undef, "Return undef if using polling" );
-}
+};