diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 9da044c..db29865 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -19,6 +19,7 @@
 
 require 'forwardable'
 require 'cgi'
+require 'htmlentities'
 
 module ApplicationHelper
   include Redmine::WikiFormatting::Macros::Definitions
@@ -739,6 +740,7 @@ module ApplicationHelper
       link_project = project
       esc, all, page, title = $1, $2, $3, $5
       if esc.nil?
+        page = decode_html_entities(page)
         if page =~ /^([^\:]+)\:(.*)$/
           identifier, page = $1, $2
           link_project = Project.find_by_identifier(identifier) || Project.find_by_name(identifier)
@@ -1500,4 +1502,9 @@ module ApplicationHelper
     name = identifier.gsub(%r{^"(.*)"$}, "\\1")
     return CGI.unescapeHTML(name)
   end
+
+  def decode_html_entities(page)
+    @coder ||= HTMLEntities.new()
+    @coder.decode(page)
+  end
 end