lib/PublicInbox/Inbox.pm | 4 ++--

diff --git a/lib/PublicInbox/Inbox.pm b/lib/PublicInbox/Inbox.pm
index 3f70e69d53d3229e4a5a78bde97ce3ff1b31c571..1f7f982da783fee8e847e98294828ace331832ab 100644
--- a/lib/PublicInbox/Inbox.pm
+++ b/lib/PublicInbox/Inbox.pm
@@ -285,9 +285,9 @@ 		       $ctx->{www}->{pi_cfg}->get_all('publicinbox.pop3server');
 		my $group = $self->{newsgroup};
 		my @urls;
 		($ps && $group) and
-			@urls = map { m!\Apops?://! ? $_ : "pop://$_" } @$ps;
+			@urls = map { m!\Apop3?s?://! ? $_ : "pop3://$_" } @$ps;
 		if (my $mi = $self->{'pop3mirror'}) {
-			my @m = map { m!\Apops?://! ? $_ : "pop://$_" } @$mi;
+			my @m = map { m!\Apop3?s?://! ? $_ : "pop3://$_" } @$mi;
 			my %seen; # List::Util::uniq requires Perl 5.26+
 			@urls = grep { !$seen{$_}++ } (@urls, @m);
 		}