diff --git a/backend/src/apiserver/storage/object_store.go b/backend/src/apiserver/storage/object_store.go
index 6d2072322226..25bf5435aca1 100644
--- a/backend/src/apiserver/storage/object_store.go
+++ b/backend/src/apiserver/storage/object_store.go
@@ -144,6 +144,7 @@ func (m *MinioObjectStore) GetSignedUrl(bucketConfig *objectstore.Config, secret
 		return "", err
 	}
 	reqParams := make(url.Values)
+	reqParams.Set("response-content-disposition", "attachment; filename=\""+key+"\"")
 	signedUrl, err := s3Client.Presign("GET", bucketConfig.BucketName, key, expirySeconds, reqParams)
 	if err != nil {
 		return "", util.Wrap(err, "Failed to generate signed url")