diff --git a/src/bin/pg_basebackup/t/040_pg_createsubscriber.pl b/src/bin/pg_basebackup/t/040_pg_createsubscriber.pl
index c1fc0cf..773a27b 100644
--- a/src/bin/pg_basebackup/t/040_pg_createsubscriber.pl
+++ b/src/bin/pg_basebackup/t/040_pg_createsubscriber.pl
@@ -327,7 +327,7 @@ $node_p->reload;
 # 'max_slot_wal_keep_size'
 command_checks_all(
 	[
-		'pg_createsubscriber', '--verbose',
+		'pg_createsubscriber', '--verbose', '--verbose',
 		'--recovery-timeout', "$PostgreSQL::Test::Utils::timeout_default",
 		'--dry-run', '--pgdata',
 		$node_s->data_dir, '--publisher-server',
@@ -350,6 +350,26 @@ command_checks_all(
 	'Validate warning for misconfigured max_slot_wal_keep_size on the publisher'
 );
 
+# And, same again to see the output...
+command_ok(
+	[
+		'pg_createsubscriber', '--verbose', '--verbose',
+		'--recovery-timeout', "$PostgreSQL::Test::Utils::timeout_default",
+		'--dry-run', '--pgdata',
+		$node_s->data_dir, '--publisher-server',
+		$node_p->connstr($db1), '--socketdir',
+		$node_s->host, '--subscriber-port',
+		$node_s->port, '--publication',
+		'pub1', '--publication',
+		'pub2', '--subscription',
+		'sub1', '--subscription',
+		'sub2', '--database',
+		$db1, '--database',
+		$db2
+	],
+	'Ditto above, but this time using command_ok to retain the output'
+);
+
 # Reset 'max_slot_wal_keep_size' to default after the test
 $node_p->append_conf('postgresql.conf', 'max_slot_wal_keep_size = -1');
 $node_p->reload;