diff --git a/app/javascript/mastodon/features/compose/redesign/upload.tsx b/app/javascript/mastodon/features/compose/redesign/upload.tsx
index 8bd7869f064..b598015be50 100644
--- a/app/javascript/mastodon/features/compose/redesign/upload.tsx
+++ b/app/javascript/mastodon/features/compose/redesign/upload.tsx
@@ -47,7 +47,7 @@ export const ComposeUpload: React.FC<{
   return (
     <StatusImage
       attachment={attachment}
-      className={className}
+      className={classNames(className, classes.mediaUpload)}
       sensitive={sensitive}
     >
       {sensitive && attachment.blurhash && (