diff --git a/app/controllers/dmsf_upload_controller.rb b/app/controllers/dmsf_upload_controller.rb
index e5d864cf..6077fcd8 100644
--- a/app/controllers/dmsf_upload_controller.rb
+++ b/app/controllers/dmsf_upload_controller.rb
@@ -3,7 +3,7 @@
 # Redmine plugin for Document Management System "Features"
 #
 # Copyright (C) 2011    Vít Jonáš <vit.jonas@gmail.com>
-# Copyright (C) 2011-15 Karel Pičman <karel.picman@kontron.com>
+# Copyright (C) 2011-16 Karel Pičman <karel.picman@kontron.com>
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
@@ -95,6 +95,7 @@ class DmsfUploadController < ApplicationController
     @attachment = Attachment.new(:file => request.raw_post)
     @attachment.author = User.current
     @attachment.filename = params[:filename].presence || Redmine::Utils.random_hex(16)
+    @attachment.content_type = params[:content_type].presence
     saved = @attachment.save
 
     respond_to do |format|