diff --git a/packages/integrations/mdx/src/utils.ts b/packages/integrations/mdx/src/utils.ts
index c824c39c3..6eb7a3570 100644
--- a/packages/integrations/mdx/src/utils.ts
+++ b/packages/integrations/mdx/src/utils.ts
@@ -24,9 +24,9 @@ export function getFileInfo(id: string, config: AstroConfig): FileInfo {
 	const fileId = id.split('?')[0];
 	let fileUrl: string;
 	const isPage = fileId.includes('/pages/');
-	if(isPage) {
+	if (isPage) {
 		fileUrl = fileId.replace(/^.*?\/pages\//, sitePathname).replace(/(\/index)?\.mdx$/, '');
-	} else if(url && url.pathname.startsWith(config.root.pathname)) {
+	} else if (url && url.pathname.startsWith(config.root.pathname)) {
 		fileUrl = url.pathname.slice(config.root.pathname.length);
 	} else {
 		fileUrl = fileId;
diff --git a/packages/integrations/mdx/test/mdx-get-static-paths.test.js b/packages/integrations/mdx/test/mdx-get-static-paths.test.js
index f5d48922c..b4dc179d0 100644
--- a/packages/integrations/mdx/test/mdx-get-static-paths.test.js
+++ b/packages/integrations/mdx/test/mdx-get-static-paths.test.js
@@ -24,6 +24,9 @@ describe('getStaticPaths', () => {
 		expect($('p').text()).to.equal('First mdx file');
 		expect($('#one').text()).to.equal('hello', 'Frontmatter included');
 		expect($('#url').text()).to.equal('/src/content/1.mdx', 'url is included');
-		expect($('#file').text()).to.contain('fixtures/mdx-get-static-paths/src/content/1.mdx', 'file is included');
+		expect($('#file').text()).to.contain(
+			'fixtures/mdx-get-static-paths/src/content/1.mdx',
+			'file is included'
+		);
 	});
 });