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-rw-r--r--lib/PublicInbox/LeiRefreshMailSync.pm2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/PublicInbox/LeiRefreshMailSync.pm b/lib/PublicInbox/LeiRefreshMailSync.pm
index 2f105005..92673492 100644
--- a/lib/PublicInbox/LeiRefreshMailSync.pm
+++ b/lib/PublicInbox/LeiRefreshMailSync.pm
@@ -36,7 +36,7 @@ sub pmdir_cb { # called via LeiPmdir->each_mdir_fn
         my ($folder, $bn) = ($f =~ m!\A(.+?)/(?:new|cur)/([^/]+)\z!) or
                 die "BUG: $f was not from a Maildir?";
         substr($folder, 0, 0) = 'maildir:'; # add prefix
-        return if defined($self->{lms}->name_oidbin($folder, $bn));
+        return if scalar($self->{lms}->name_oidbin($folder, $bn));
         my $eml = eml_from_path($f) // return;
         my $oidbin = $self->{lei}->git_oid($eml)->digest;
         $self->{lms}->set_src($oidbin, $folder, \$bn);