diff --git a/packages/astro/src/assets/vite-plugin-assets.ts b/packages/astro/src/assets/vite-plugin-assets.ts
index 9f8cbd53e..1e84b2271 100644
--- a/packages/astro/src/assets/vite-plugin-assets.ts
+++ b/packages/astro/src/assets/vite-plugin-assets.ts
@@ -109,7 +109,10 @@ export default function assets({
 							format = result.format;
 						}
 
-						res.setHeader('Content-Type', mime.getType(fileURLToPath(filePathURL)) || `image/${format}`);
+						res.setHeader(
+							'Content-Type',
+							mime.getType(fileURLToPath(filePathURL)) || `image/${format}`
+						);
 						res.setHeader('Cache-Control', 'max-age=360000');
 
 						const stream = Readable.from(data);
diff --git a/packages/astro/test/core-image.test.js b/packages/astro/test/core-image.test.js
index e8fd1f423..81a793ffc 100644
--- a/packages/astro/test/core-image.test.js
+++ b/packages/astro/test/core-image.test.js
@@ -72,7 +72,7 @@ describe('astro:image', () => {
 				expect($img.attr('alt')).to.equal('a penguin');
 			});
 
-			it('middleware loads the file', async() => {
+			it('middleware loads the file', async () => {
 				let $img = $('#local img');
 				let src = $img.attr('src');
 				let res = await fixture.fetch(src);