--- /dev/null
+use strict;
+use warnings;
+
+use Test::More tests => 4;
+use lib 't/lib';
+use Test::WWW::Mechanize::Catalyst;
+
+my $m = Test::WWW::Mechanize::Catalyst->new(catalyst_app => 'Catty');
+
+$m->host('foo.com');
+$m->get_ok('/host');
+$m->content_contains('Host: foo.com:80');
+
+$m->clear_host;
+$m->get_ok('/host');
+$m->content_contains('Host: localhost:80') or diag $m->content;