diff --git a/packages/astro/src/container/index.ts b/packages/astro/src/container/index.ts
index ef7d716b5588..92636e549e1b 100644
--- a/packages/astro/src/container/index.ts
+++ b/packages/astro/src/container/index.ts
@@ -149,7 +149,7 @@ function createManifest(
 		buildFormat: manifest?.buildFormat ?? ASTRO_CONFIG_DEFAULTS.build.format,
 		compressHTML: manifest?.compressHTML ?? ASTRO_CONFIG_DEFAULTS.compressHTML,
 		assetsDir: manifest?.assetsDir ?? ASTRO_CONFIG_DEFAULTS.build.assets,
-		serverLike: manifest?.serverLike ?? false,
+		serverLike: manifest?.serverLike ?? true,
 		assets: manifest?.assets ?? new Set(),
 		assetsPrefix: manifest?.assetsPrefix ?? undefined,
 		entryModules: manifest?.entryModules ?? {},
diff --git a/packages/astro/test/dev-routing.test.js b/packages/astro/test/dev-routing.test.js
index 1f5ff26c68f4..136b24188c17 100644
--- a/packages/astro/test/dev-routing.test.js
+++ b/packages/astro/test/dev-routing.test.js
@@ -405,8 +405,8 @@ describe('Development Routing', () => {
 			assert.equal((await response.text()).includes('none: 1'), true);
 		});
 
-		it('200 when loading /html-ext/1.html', async () => {
-			const response = await fixture.fetch('/html-ext/1.html');
+		it('200 when loading /html-ext/1.html.html', async () => {
+			const response = await fixture.fetch('/html-ext/1.html.html');
 			assert.equal(response.status, 200);
 			assert.equal((await response.text()).includes('html: 1'), true);
 		});