diff --git a/test/index.test.js b/test/index.test.js
index e4ddf25..2b48178 100644
--- a/test/index.test.js
+++ b/test/index.test.js
@@ -44,6 +44,6 @@ describe('marked-mfm', () => {
 
   test('search', () => {
     marked.use(markedMfm)
-    expect(marked('syuilo thighs search')).toBe('<p><a href="https://google.com/search?q=syuilo thighs" class="_mfm_search_">syuilo thighs search</a></p>\n')
+    expect(marked('syuilo thighs search')).toBe('<p><a href="https://google.com/search?q=syuilo thighs" class="mfm _mfm_search_">syuilo thighs search</a></p>\n')
   })
 })