diff --git a/app/controllers/zipdown_controller.rb b/app/controllers/zipdown_controller.rb
index bfd7812df..d7f9fa0ac 100644
--- a/app/controllers/zipdown_controller.rb
+++ b/app/controllers/zipdown_controller.rb
@@ -72,7 +72,7 @@ class ZipdownController < ApplicationController
     homeattach.attachments.each do |attach|
       homeworks_attach_path << attach.diskfile#.to_s.slice((length+1)..-1)
     end
-    zipping("#{homeattach.user.firstname}#{homeattach.user.lastname}_#{homeattach.user.user_extensions.student_id}_#{Time.now.to_i.to_s}.zip", homeworks_attach_path, OUTPUT_FOLDER, true)
+    zipping("#{homeattach.user.lastname}#{homeattach.user.firstname}_#{homeattach.user.user_extensions.student_id}_#{Time.now.to_i.to_s}.zip", homeworks_attach_path, OUTPUT_FOLDER, true)
   end