diff --git a/app/controllers/attachments_controller.rb b/app/controllers/attachments_controller.rb
index 53a6d1ae1..014262aea 100644
--- a/app/controllers/attachments_controller.rb
+++ b/app/controllers/attachments_controller.rb
@@ -100,7 +100,7 @@ class AttachmentsController < ApplicationController
 
   def current_month_folder
     date = Time.now
-    "#{date.year}/#{date.day.to_s.rjust(2, '0')}"
+    "#{date.year}/#{date.month.to_s.rjust(2, '0')}"
   end
 
   def file_ext(file_name)