diff --git a/frontend/src/app/components/about/about.component.html b/frontend/src/app/components/about/about.component.html
index 16d1e60ed..ad2fd7bf7 100644
--- a/frontend/src/app/components/about/about.component.html
+++ b/frontend/src/app/components/about/about.component.html
@@ -16,6 +16,7 @@
   <video src="/resources/promo-video/mempool-promo.mp4" poster="/resources/promo-video/mempool-promo.jpg" controls loop playsinline [autoplay]="true" [muted]="true">
     <track label="English" kind="captions" srclang="en" src="/resources/promo-video/en.vtt" [attr.default]="showSubtitles('en') ? '' : null">
     <track label="日本語" kind="captions" srclang="ja" src="/resources/promo-video/ja.vtt" [attr.default]="showSubtitles('ja') ? '' : null">
+    <track label="中文" kind="captions" srclang="zh" src="/resources/promo-video/zh.vtt" [attr.default]="showSubtitles('zh') ? '' : null">
     <track label="Svenska" kind="captions" srclang="sv" src="/resources/promo-video/sv.vtt" [attr.default]="showSubtitles('sv') ? '' : null">
     <track label="Čeština" kind="captions" srclang="cs" src="/resources/promo-video/cs.vtt" [attr.default]="showSubtitles('cs') ? '' : null">
     <track label="Suomi" kind="captions" srclang="fi" src="/resources/promo-video/fi.vtt" [attr.default]="showSubtitles('fi') ? '' : null">