diff --git a/Gemfile b/Gemfile
index e5b7694..730560d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,6 +5,7 @@ gem 'nokogiri'
 gem 'mongoid', '2.1.2'
 gem 'haml'
 gem 'will_paginate', '>=3'
+gem 'htmlentities', "~> 4.3.0"
 gem 'devise', '~> 1.4.0'
 gem 'lighthouse-api'
 gem 'redmine_client', :git => "git://github.com/oruen/redmine_client.git"
diff --git a/Gemfile.lock b/Gemfile.lock
index a53512b..728ac6e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -222,6 +222,7 @@ DEPENDENCIES
   factory_girl_rails
   haml
   hoptoad_notifier (~> 2.4)
+  htmlentities (~> 4.3.0)
   inherited_resources
   lighthouse-api
   mongoid (= 2.1.2)
diff --git a/app/views/notices/_environment.html.haml b/app/views/notices/_environment.html.haml
index a68535f..59ef2c4 100644
--- a/app/views/notices/_environment.html.haml
+++ b/app/views/notices/_environment.html.haml
@@ -1,6 +1,8 @@
 .window
   %table.environment
-    - notice.env_vars.sort_by {|pair| pair[0]}.each do |pair|
+    - html_entities = HTMLEntities.new
+    - notice.env_vars.sort_by {|pair| pair[0]}.each do |key, value|
       %tr
-        %th= pair[0]
-        %td.main= pair[1]
+        %th= h(html_entities.decode(key))
+        %td.main= h(html_entities.decode(value))
+
--
libgit2 0.21.2