diff --git a/packages/backend/test/mfm.ts b/packages/backend/test/mfm.ts
index 5218942a5..5b9e47414 100644
--- a/packages/backend/test/mfm.ts
+++ b/packages/backend/test/mfm.ts
@@ -1,20 +1,19 @@
 import * as assert from 'assert';
-import * as mfm from 'mfm-js';
 
 import { toHtml } from '../src/mfm/to-html.js';
 import { fromHtml } from '../src/mfm/from-html.js';
 
 describe('toHtml', () => {
-	it('br', () => {
+	it('br', async () => {
 		const input = 'foo\nbar\nbaz';
 		const output = '<p><span>foo<br>bar<br>baz</span></p>';
-		assert.equal(toHtml(mfm.parse(input)), output);
+		assert.equal(await toHtml(input), output);
 	});
 
-	it('br alt', () => {
+	it('br alt', async () => {
 		const input = 'foo\r\nbar\rbaz';
 		const output = '<p><span>foo<br>bar<br>baz</span></p>';
-		assert.equal(toHtml(mfm.parse(input)), output);
+		assert.equal(await toHtml(input), output);
 	});
 });