diff --git a/sites/all/modules/contrib/boost/boost.module b/sites/all/modules/contrib/boost/boost.module
index 4a491e2..ee74c31 100644
--- a/sites/all/modules/contrib/boost/boost.module
+++ b/sites/all/modules/contrib/boost/boost.module
@@ -151,6 +151,15 @@ $GLOBALS['_boost']['verbose_option_defaults'] = array(
 );
 $GLOBALS['_boost']['verbose_option_selected'] = array_flip(variable_get('boost_verbose_refined', $GLOBALS['_boost']['verbose_option_defaults']));
 
+// Since PHP 5.3
+if (!defined('E_DEPRECATED')) {
+  define('E_DEPRECATED', 8192);
+}
+
+// Since PHP 5.3
+if (!defined('E_USER_DEPRECATED')) {
+  define('E_USER_DEPRECATED', 16384);
+}
 //////////////////////////////////////////////////////////////////////////////
 // Global variables