diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 4d698a2..e407589 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -784,7 +784,7 @@ module ApplicationHelper
   end
 
   def favicon
-    "<link rel='shortcut icon' href='#{Redmine::Utils.relative_url_root}/favicon.ico' />"
+    "<link rel='shortcut icon' href='#{image_path('/favicon.ico')}' />"
   end
 
   private