diff --git a/tests/Utils/ClearStateTestListener.php b/tests/Utils/ClearStateTestListener.php
index 327af5a9e4d2f48384a251c62c63bd0b35c32b52..7a92fac854cac816e3fac5e70f9ce00ae2c0bc98 100644
--- a/tests/Utils/ClearStateTestListener.php
+++ b/tests/Utils/ClearStateTestListener.php
@@ -39,7 +39,7 @@ class ClearStateTestListener extends \PHPUnit_Framework_BaseTestListener
             self::$backups['$_GET'] = $_GET;
             self::$backups['$_POST'] = $_POST;
             self::$backups['$_SERVER'] = $_SERVER;
-            self::$backups['$_SESSION'] = isset($_SESSION) ? $_SESSION : [];
+            self::$backups['$_SESSION'] = isset($_SESSION) ? $_SESSION : array();
             self::$backups['$_REQUEST'] = $_REQUEST;
         }
     }