diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index f4ebce99f..764ef002e 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -412,9 +412,9 @@ module ApplicationHelper
   end
 
   def other_formats_links(&block)
-    concat('<p class="other-formats">' + l(:label_export_to))
+    concat('<p class="other-formats">'.html_safe + l(:label_export_to))
     yield Redmine::Views::OtherFormatsBuilder.new(self)
-    concat('</p>')
+    concat('</p>'.html_safe)
   end
 
   def page_header_title