diff --git a/apps/api/src/video/video.service.ts b/apps/api/src/video/video.service.ts
index 688a1b3..30d37e9 100644
--- a/apps/api/src/video/video.service.ts
+++ b/apps/api/src/video/video.service.ts
@@ -240,8 +240,9 @@ export class VideoService {
     if ((await this.requireStorage().directPublicJwk()) === null) {
       throw new ServiceUnavailableException("DIRECT_EC_PRIVATE_KEY is not configured");
     }
+    // ONE uuid: the object key binds to the upload id so /complete can pin it.
     const uploadId = randomUUID();
-    const objectKey = directObjectKey();
+    const objectKey = `direct/${uploadId}.enc`;
     const putUrl = await this.requireStorage()
       .presignPut(objectKey, input.mimeType, DIRECT_PUT_TTL_SECONDS)
       .catch(() => { throw new ServiceUnavailableException("Video storage is unavailable: could not presign the direct PUT"); });