1 files changed, 2 insertions, 2 deletions
diff --git a/lib/PublicInbox/Unsubscribe.pm b/lib/PublicInbox/Unsubscribe.pm
index 1f5ce315..4ccdb7e0 100644
--- a/lib/PublicInbox/Unsubscribe.pm
+++ b/lib/PublicInbox/Unsubscribe.pm
@@ -77,7 +77,7 @@ sub _user_list_addr {
                          'Missing mailing list name in path component');
          }
          my $user = eval { $self->{cipher}->decrypt(decode_base64url($u)) };
-        if (!defined $user) {
+        if (!defined $user || $user eq '') {
                  my $err = quotemeta($@);
                  my $errors = $env->{'psgi.errors'};
                  $errors->print("error decrypting: $u\n");
@@ -86,7 +86,7 @@ sub _user_list_addr {
          }
  
          # The URLs are too damn long if we have the encrypted domain
-        # name in the query string
+        # name in the PATH_INFO
          if (index($list, '@') < 0) {
                  my $host = (split(':', $env->{HTTP_HOST}))[0];
                  $list .= '@'.$host;