lib/PublicInbox/SearchIdx.pm | 2 +-

diff --git a/lib/PublicInbox/SearchIdx.pm b/lib/PublicInbox/SearchIdx.pm
index 67272997b22149faf3db8b9018a86ac8569f83ae..1d0d926f28164a29a904643bdc0cacdc7218fc22 100644
--- a/lib/PublicInbox/SearchIdx.pm
+++ b/lib/PublicInbox/SearchIdx.pm
@@ -337,7 +337,7 @@ 	my $log = $git->popen(qw/log --reverse --no-notes --no-color
 				--raw -r --no-abbrev/, $range);
 	my $latest;
 	my $bytes;
-	while (my $line = <$log>) {
+	while (defined(my $line = <$log>)) {
 		if ($line =~ /$addmsg/o) {
 			my $mime = do_cat_mail($git, $1, \$bytes) or next;
 			$add_cb->($self, $git, $mime, $bytes);