diff --git a/after_init.rb b/after_init.rb
index 36665353..9e7d3015 100644
--- a/after_init.rb
+++ b/after_init.rb
@@ -35,7 +35,7 @@ def dmsf_init
   # Project menu extension
   Redmine::MenuManager.map :project_menu do |menu|
     menu.push :dmsf, { controller: 'dmsf', action: 'show' }, caption: :menu_dmsf, before: :documents,
-              param: :id
+              param: :id, html: { class: 'icon icon-dmsf' }
   end
   # Main menu extension
   Redmine::MenuManager.map :top_menu do |menu|
diff --git a/lib/dav4rack/resources/file_resource.rb b/lib/dav4rack/resources/file_resource.rb
index c48a26c8..aa4c616c 100644
--- a/lib/dav4rack/resources/file_resource.rb
+++ b/lib/dav4rack/resources/file_resource.rb
@@ -2,7 +2,7 @@
 # frozen_string_literal: true
 
 require 'pstore'
-require 'webrick/httputils'
+#require 'webrick/httputils'
 require 'dav4rack/file_resource_lock'
 require 'dav4rack/security_utils'
 
diff --git a/lib/redmine_dmsf/patches/projects_helper_patch.rb b/lib/redmine_dmsf/patches/projects_helper_patch.rb
index f1f1e486..6cca3290 100644
--- a/lib/redmine_dmsf/patches/projects_helper_patch.rb
+++ b/lib/redmine_dmsf/patches/projects_helper_patch.rb
@@ -44,9 +44,6 @@ module RedmineDmsf
   end
 end
 
-if Redmine::Plugin.installed?(:easy_extensions)
-  RedmineExtensions::PatchManager.register_helper_patch 'ProjectsHelper',
-    'RedmineDmsf::Patches::ProjectHelperPatch', prepend: true
-else
+unless Redmine::Plugin.installed?(:easy_extensions)
   ProjectsController.send :helper, RedmineDmsf::Patches::ProjectHelperPatch
 end
\ No newline at end of file