diff --git a/lib/redmine_dmsf/webdav/dmsf_resource.rb b/lib/redmine_dmsf/webdav/dmsf_resource.rb
index 28cb09ac..94cd8825 100644
--- a/lib/redmine_dmsf/webdav/dmsf_resource.rb
+++ b/lib/redmine_dmsf/webdav/dmsf_resource.rb
@@ -175,7 +175,7 @@ module RedmineDmsf
           f.dmsf_folder_id = parent_folder
           f.project = project
           f.user = User.current
-          f.save ? OK : Conflict
+          f.save ? Created : Conflict
         else
           UnsupportedMediaType
         end
diff --git a/test/integration/webdav/dmsf_webdav_mkcol_test.rb b/test/integration/webdav/dmsf_webdav_mkcol_test.rb
index 3283db2b..688f979a 100644
--- a/test/integration/webdav/dmsf_webdav_mkcol_test.rb
+++ b/test/integration/webdav/dmsf_webdav_mkcol_test.rb
@@ -103,14 +103,14 @@ class DmsfWebdavMkcolTest < RedmineDmsf::Test::IntegrationTest
       @project1.enable_module! :dmsf
       @role.add_permission! :folder_manipulation
       xml_http_request :mkcol, "/dmsf/webdav/#{@project1.identifier}/test1", nil, @jsmith
-      assert_response :success
+      assert_response 201 # Created
       Setting.plugin_redmine_dmsf['dmsf_webdav_use_project_names'] = true
       if Setting.plugin_redmine_dmsf['dmsf_webdav_use_project_names'] == true
         project1_uri = Addressable::URI.escape(RedmineDmsf::Webdav::ProjectResource.create_project_name(@project1))
         xml_http_request :mkcol, "/dmsf/webdav/#{@project1.identifier}/test2", nil, @jsmith
         assert_response 404
         xml_http_request :mkcol, "/dmsf/webdav/#{project1_uri}/test3", nil, @jsmith
-        assert_response :success
+        assert_response 201 # Created
       end
     end
   end