diff --git a/src/bin/pg_validatebackup/t/002_algorithm.pl b/src/bin/pg_validatebackup/t/002_algorithm.pl
index 2046a709b4..98871e12a5 100644
--- a/src/bin/pg_validatebackup/t/002_algorithm.pl
+++ b/src/bin/pg_validatebackup/t/002_algorithm.pl
@@ -17,7 +17,7 @@ for my $algorithm (qw(bogus none crc32c sha224 sha256 sha384 sha512))
 {
 	my $backup_path = $master->backup_dir . '/' . $algorithm;
 	my @backup = ('pg_basebackup', '-D', $backup_path,
-				  '--manifest-checksum', $algorithm,
+				  '--manifest-checksums', $algorithm,
 				  '--no-sync');
 	my @validate = ('pg_validatebackup', '-e', $backup_path);