diff --git a/packages/astro/test/ssr-manifest.test.js b/packages/astro/test/ssr-manifest.test.js
index cb876bde9889b..4e5521220903b 100644
--- a/packages/astro/test/ssr-manifest.test.js
+++ b/packages/astro/test/ssr-manifest.test.js
@@ -11,6 +11,7 @@ describe('astro:ssr-manifest', () => {
 		fixture = await loadFixture({
 			root: './fixtures/ssr-manifest/',
 			output: 'server',
+			compressHTML: true,
 			adapter: testAdapter(),
 		});
 		await fixture.build();
@@ -25,4 +26,10 @@ describe('astro:ssr-manifest', () => {
 		const $ = cheerio.load(html);
 		expect($('#assets').text()).to.equal('["/_astro/index.a8a337e4.css"]');
 	});
+
+	it('includes compressHTML', async () => {
+		const app = await fixture.loadTestAdapterApp();
+		expect(app.manifest).to.haveOwnProperty('compressHTML');
+		expect(app.manifest.compressHTML).to.be.true;
+	});
 });