examples/public-inbox.psgi | 1 +
 t/plack.t                  | 2 +-

diff --git a/examples/public-inbox.psgi b/examples/public-inbox.psgi
index b0b9ae9850bd9620937a15dff753df152588d0df..4d34b4262a16bb2b5505a0fb0b0b82e8df6e50ed 100644
--- a/examples/public-inbox.psgi
+++ b/examples/public-inbox.psgi
@@ -12,6 +12,7 @@ use Plack::Builder;
 my $have_deflater = eval { require Plack::Middleware::Deflater; 1 };
 
 builder {
+	enable 'Plack::Middleware::Chunked';
 	if ($have_deflater) {
 		enable "Deflater",
 			content_type => [ 'text/html', 'text/plain',
diff --git a/t/plack.t b/t/plack.t
index 560080f0d9d9f881a879ed5fa99953be32555258..31ec58daa99761eff6e9a1664a60c3391711f066 100644
--- a/t/plack.t
+++ b/t/plack.t
@@ -116,7 +116,7 @@ 	test_psgi($app, sub {
 		my ($cb) = @_;
 		my $res = $cb->(GET($pfx . '/blah%40example.com/raw'));
 		is(200, $res->code, 'success response received for /*/raw');
-		like($res->content, qr!\AFrom !, "mbox returned");
+		like($res->content, qr!^From !sm, "mbox returned");
 	});
 
 	# legacy redirects