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-rw-r--r--lib/PublicInbox/Inbox.pm2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/PublicInbox/Inbox.pm b/lib/PublicInbox/Inbox.pm
index b7b71268..1579d500 100644
--- a/lib/PublicInbox/Inbox.pm
+++ b/lib/PublicInbox/Inbox.pm
@@ -48,7 +48,7 @@ sub _cleanup_later ($) {
 sub _set_limiter ($$$) {
         my ($self, $pi_cfg, $pfx) = @_;
         my $lkey = "-${pfx}_limiter";
-        $self->{$lkey} ||= do {
+        $self->{$lkey} //= do {
                 # full key is: publicinbox.$NAME.httpbackendmax
                 my $mkey = $pfx.'max';
                 my $val = $self->{$mkey} or return;