diff --git a/src/shared/prerendered-app/Intro/index.tsx b/src/shared/prerendered-app/Intro/index.tsx
index ce9741b5..a8d0cf98 100644
--- a/src/shared/prerendered-app/Intro/index.tsx
+++ b/src/shared/prerendered-app/Intro/index.tsx
@@ -273,7 +273,7 @@ export default class Intro extends Component<Props, State> {
             )}
             <div
               class={style.loadImgContent}
-              style={{ visibility: __PRERENDER__ ? 'hidden' : '' }}
+              style={{ visibility: __PRERENDER__ ? 'hidden' : undefined }}
             >
               <button class={style.loadBtn} onClick={this.onOpenClick}>
                 <svg viewBox="0 0 24 24" class={style.loadIcon}>