diff --git a/sbin/growfs/tests/legacy_test.pl b/sbin/growfs/tests/legacy_test.pl
index 7316951c92b3..727960290d1a 100755
--- a/sbin/growfs/tests/legacy_test.pl
+++ b/sbin/growfs/tests/legacy_test.pl
@@ -14,7 +14,7 @@ END { system "mdconfig -du$unit" if defined $unit };
 sub setsize {
     my ($partszMB, $unitszMB) = @_;
 
-    open my $fd, "|-", "disklabel -R md$unit /dev/stdin" or die;
+    open my $fd, "|-", "bsdlabel -R md$unit /dev/stdin" or die;
     print $fd "a: ", ($partszMB * BLKS_PER_MB), " 0 4.2BSD 1024 8192\n";
     print $fd "c: ", ($unitszMB * BLKS_PER_MB), " 0 unused 0 0\n";
     close $fd;