diff --git a/Gemfile b/Gemfile
index 6484c2565..ac6c7a849 100644
--- a/Gemfile
+++ b/Gemfile
@@ -121,6 +121,8 @@ group :development do
   gem 'web-console'
 
   gem 'rack-handlers'
+
+  gem 'xray-rails'
 end
 
 group :development, :test do
@@ -153,4 +155,3 @@ end
 group :production, :staging do
   gem 'sentry-raven'
 end
-
diff --git a/Gemfile.lock b/Gemfile.lock
index c3422e6c4..b30c53477 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -622,6 +622,8 @@ GEM
     xml-simple (1.1.5)
     xpath (2.0.0)
       nokogiri (~> 1.3)
+    xray-rails (0.2.0)
+      rails (>= 3.1.0)
 
 PLATFORMS
   ruby
@@ -699,6 +701,7 @@ DEPENDENCIES
   web-console
   webmock
   will_paginate-bootstrap
+  xray-rails
 
 BUNDLED WITH
    1.13.7
diff --git a/app/views/layouts/_ie_lt_10.html.haml b/app/views/layouts/_ie_lt_10.html.haml
index 07d0581d5..3dcbb4a40 100644
--- a/app/views/layouts/_ie_lt_10.html.haml
+++ b/app/views/layouts/_ie_lt_10.html.haml
@@ -1,4 +1,9 @@
+="<!--[if lt IE 10]>".html_safe
+
 %div.center{style:'width: 100%; background-color: white; position: fixed; top:0; left:0; z-index: 100000'}
   %h3.text-danger
     %b
-      Votre version d'Internet Explorer est trop ancienne pour être utilisée sur le service TPS. Version minimum : Internet Explorer 10
\ No newline at end of file
+      Votre version d'Internet Explorer est trop ancienne pour être utilisée sur le service TPS. Version minimum : Internet Explorer 10
+
+="<![endif]-->".html_safe
+      
diff --git a/app/views/layouts/application.html.haml b/app/views/layouts/application.html.haml
index 1730f61a7..7b4214397 100644
--- a/app/views/layouts/application.html.haml
+++ b/app/views/layouts/application.html.haml
@@ -22,11 +22,9 @@
       %script{type: 'text/javascript'}
         (typeof jQuery !== 'undefined') && (jQuery.fx.off = true);
 
-    ="<!--[if lt IE 10]>".html_safe
 
     = render partial: 'layouts/ie_lt_10'
 
-    ="<![endif]-->".html_safe
 
     %div#wrap
       %div.row