diff --git a/phpBB/includes/constants.php b/phpBB/includes/constants.php
index 1f27573ae4..e4221db8bb 100644
--- a/phpBB/includes/constants.php
+++ b/phpBB/includes/constants.php
@@ -24,6 +24,9 @@ if (!defined('IN_PHPBB'))
 * PHPBB_ADMIN_PATH
 */
 
+// phpBB Version
+define('PHPBB_VERSION', '3.1.0-dev');
+
 // QA-related
 // define('PHPBB_QA', 1);
 
@@ -178,8 +181,8 @@ define('REFERER_VALIDATE_PATH', 2);
 
 // phpbb_chmod() permissions
 @define('CHMOD_ALL', 7);
-define('CHMOD_READ', 4);
-define('CHMOD_WRITE', 2);
+@define('CHMOD_READ', 4);
+@define('CHMOD_WRITE', 2);
 @define('CHMOD_EXECUTE', 1);
 
 // Additional constants