diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 6654a7310..5670b2462 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -1180,7 +1180,7 @@ module ApplicationHelper
 
   def sanitize_anchor_name(anchor)
     if ''.respond_to?(:encoding) || RUBY_PLATFORM == 'java'
-      anchor.gsub(%r{[^\p{Word}\s\-]}, '').gsub(%r{\s+(\-+\s*)?}, '-')
+      anchor.gsub(%r{[^\s\-\p{Word}]}, '').gsub(%r{\s+(\-+\s*)?}, '-')
     else
       # TODO: remove when ruby1.8 is no longer supported
       anchor.gsub(%r{[^\w\s\-]}, '').gsub(%r{\s+(\-+\s*)?}, '-')