lib/PublicInbox/POP3.pm | 2 +-

diff --git a/lib/PublicInbox/POP3.pm b/lib/PublicInbox/POP3.pm
index 82df257c2d7002d910ef3d35753512672cacac32..bd7dfc6583890901974febd0ed36d536e3403e4c 100644
--- a/lib/PublicInbox/POP3.pm
+++ b/lib/PublicInbox/POP3.pm
@@ -303,7 +303,7 @@ 	my $user_id = $self->{user_id} // die 'BUG: no {user_id}';
 	$self->{pop3d}->{-state_dbh}->prepare_cached(<<'')->execute($txn_id);
 DELETE FROM deletes WHERE txn_id = ? AND uid_dele = -1
 
-	my $sth = $self->{pop3d}->{-state_dbh}->prepare_cached(<<'');
+	my $sth = $self->{pop3d}->{-state_dbh}->prepare_cached(<<'', undef, 1);
 SELECT COUNT(*) FROM deletes WHERE user_id = ?
 
 	$sth->execute($user_id);