diff --git a/docker/nginx/conf.d/include/cors b/docker/nginx/conf.d/include/cors
index 5245c33f..a500c9ea 100644
--- a/docker/nginx/conf.d/include/cors
+++ b/docker/nginx/conf.d/include/cors
@@ -13,4 +13,4 @@ more_set_headers 'Access-Control-Allow-Origin: $http_origin';
 more_set_headers 'Access-Control-Allow-Credentials: true';
 more_set_headers 'Access-Control-Allow-Methods: GET, POST, HEAD, OPTIONS, PUT, PATCH, DELETE';
 more_set_headers 'Access-Control-Allow-Headers: DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range,X-HTTP-Method-Override,upload-offset,upload-metadata,upload-length,tus-version,tus-resumable,tus-extension,tus-max-size,location';
-more_set_headers 'Access-Control-Expose-Headers: Content-Length,Content-Range,Skynet-File-Metadata,Skynet-Skylink,Skynet-Portal-Api,Skynet-Server-Api,upload-offset,upload-metadata,upload-length,tus-version,tus-resumable,tus-extension,tus-max-size,location';
+more_set_headers 'Access-Control-Expose-Headers: Content-Length,Content-Range,Skynet-File-Metadata,Skynet-Skylink,Skynet-Proof,Skynet-Portal-Api,Skynet-Server-Api,upload-offset,upload-metadata,upload-length,tus-version,tus-resumable,tus-extension,tus-max-size,location';