diff --git a/app/controllers/attachments_controller.rb b/app/controllers/attachments_controller.rb
index 2efe1df09..53a6d1ae1 100644
--- a/app/controllers/attachments_controller.rb
+++ b/app/controllers/attachments_controller.rb
@@ -14,7 +14,7 @@ class AttachmentsController < ApplicationController
       update_downloads(@file)
       redirect_to @file.cloud_url and return
     end
-    send_file absolute_path(local_path(@file)), type: @file.content_type.presence || 'application/octet-stream'
+    send_file(absolute_path(local_path(@file)), filename: @file.filename, type: @file.content_type.presence || 'application/octet-stream')
 
     update_downloads(@file)
   end