X-Git-Url: http://www.git.stargrave.org/?p=public-inbox.git;a=blobdiff_plain;f=lib%2FPublicInbox%2FIMAP.pm;h=47c08aea0300583d10071f43f3715a8f7b4de2bd;hp=2d0d005e6f8b71239a342669a03645c0600f82ef;hb=946fb6c1f90cbb7bc71a52b049e20f0872bdc4f0;hpb=2443019902bdd0b3d4d84eef85f5d9828f399b9f

diff --git a/lib/PublicInbox/IMAP.pm b/lib/PublicInbox/IMAP.pm
index 2d0d005e..47c08aea 100644
--- a/lib/PublicInbox/IMAP.pm
+++ b/lib/PublicInbox/IMAP.pm
@@ -300,7 +300,7 @@ sub msn2uid ($) {
 # converts a set of message sequence numbers in requests to UIDs:
 sub msn_to_uid_range ($$) {
 	my $msn2uid = $_[0];
-	$_[1] =~ s!([0-9]+)!$msn2uid->[$1 - 1] // ($msn2uid->[-1] + 1)!sge;
+	$_[1] =~ s!([0-9]+)!$msn2uid->[$1 - 1] // ($msn2uid->[-1] // 0 + 1)!sge;
 }
 
 # called by PublicInbox::InboxIdle