diff --git a/app/controllers/active_storage/disk_controller_decorator.rb b/app/controllers/active_storage/disk_controller_decorator.rb
index e49c22f1..3e74fe1b 100644
--- a/app/controllers/active_storage/disk_controller_decorator.rb
+++ b/app/controllers/active_storage/disk_controller_decorator.rb
@@ -28,7 +28,9 @@ module ActiveStorage
               begin
                 url = request.body.read
                 body = Down.download(url, max_size: 111.megabytes)
-                checksum = nil
+                checksum = Digest::MD5.file(body.path).base64digest
+                blob.metadata[:url] = url
+                blob.update_columns checksum: checksum, byte_size: body.size, metadata: blob.metadata
               rescue StandardError => e
                 ExceptionNotifier.notify_exception(e, data: { key: token[:key], url: url, site: site.name })