diff --git a/Procfile.dev b/Procfile.dev
index 2b0b260f..c46f84c1 100644
--- a/Procfile.dev
+++ b/Procfile.dev
@@ -1,3 +1,4 @@
 web: bin/rails server -p 3000
+workers: bundle exec sidekiq
 js: yarn build --watch
 css: yarn build:css --watch
diff --git a/app/sidekiq/upload_files_from_dropbox_job.rb b/app/sidekiq/upload_files_from_dropbox_job.rb
index 97abe055..3d7b1d99 100644
--- a/app/sidekiq/upload_files_from_dropbox_job.rb
+++ b/app/sidekiq/upload_files_from_dropbox_job.rb
@@ -10,6 +10,7 @@ def perform(token)
     client = DropboxApi::Client.new(token)
     files_list = client.list_folder("/COMIX files")
     store.products.each do |product|
+      next if product.file_attachment.present?
       puts product.name
       comic_result = files_list.entries.select { |entry| entry.name.include?(product.name) }
       next if comic_result.blank?