diff --git a/src/UnicaenApp/View/Helper/Messenger.php b/src/UnicaenApp/View/Helper/Messenger.php
index a250bc053b046d3fe7c23e3a640ff545ddea600f..249b0381dc9171219f4eec128c5df2ca564b84c8 100644
--- a/src/UnicaenApp/View/Helper/Messenger.php
+++ b/src/UnicaenApp/View/Helper/Messenger.php
@@ -18,13 +18,13 @@ class Messenger extends AbstractHelper
     const INFO    = 'info';
     const SUCCESS = 'success';
     const WARNING = 'warning';
-    const ERROR   = 'error';
+    const ERROR   = 'danger';
     
     protected $uiClasses = array( // CSS class, icon name
         self::INFO    => array('info',    'info-sign'),
         self::SUCCESS => array('success', 'ok-sign'),
         self::WARNING => array('warning', 'warning-sign'),
-        self::ERROR   => array('error',   'exclamation-sign'),
+        self::ERROR   => array('danger',  'exclamation-sign'),
     );
     
     /**