lib/PublicInbox/Syscall.pm | 4 ++--

diff --git a/lib/PublicInbox/Syscall.pm b/lib/PublicInbox/Syscall.pm
index bcfae2cbcae423ef70171c90f3e52be3932c00ad..2e3d9cb32c548a340835127f8e4c5f4757fa9fa0 100644
--- a/lib/PublicInbox/Syscall.pm
+++ b/lib/PublicInbox/Syscall.pm
@@ -15,7 +15,7 @@ package PublicInbox::Syscall;
 use strict;
 use v5.10.1;
 use parent qw(Exporter);
-use POSIX qw(ENOENT EEXIST ENOSYS O_NONBLOCK);
+use POSIX qw(ENOENT EEXIST ENOSYS EINVAL O_NONBLOCK);
 use Config;
 
 # $VERSION = '0.25'; # Sys::Syscall version
@@ -324,7 +324,7 @@ 	if ($SYS_renameat2) { # RENAME_NOREPLACE = 1, AT_FDCWD = -100
 		my $ret = syscall($SYS_renameat2, -100, $old, -100, $new, 1);
 		if ($ret == 0) {
 			1; # like rename() perlop
-		} elsif ($! == ENOSYS) {
+		} elsif ($! == ENOSYS || $! == EINVAL) {
 			undef $SYS_renameat2;
 			_rename_noreplace_racy($old, $new);
 		} else {