lib/PublicInbox/Inbox.pm | 2 +-

diff --git a/lib/PublicInbox/Inbox.pm b/lib/PublicInbox/Inbox.pm
index c525f4d169d250fd6e007afc633edb844d5a4078..95467d5ac54b12aa046efbbcb60771aa566240c8 100644
--- a/lib/PublicInbox/Inbox.pm
+++ b/lib/PublicInbox/Inbox.pm
@@ -30,7 +30,7 @@ sub do_cleanup {
 	my ($ibx) = @_;
 	my $live = git_cleanup($ibx);
 	$ibx->cleanup_shards and $live = 1;
-	for my $git (@{$ibx->{-repo_objs}}) {
+	for my $git (@{$ibx->{-repo_objs} // []}) {
 		$live = 1 if $git->cleanup(1);
 	}
 	delete @$ibx{qw(over mm description cloneurl