diff --git a/ext_localconf.php b/ext_localconf.php
index da336e7..d97af22 100644
--- a/ext_localconf.php
+++ b/ext_localconf.php
@@ -1,6 +1,6 @@
 <?php
 
-if (!defined('TYPO3_MODE')) {
+if (!defined('TYPO3')) {
     die('Access denied.');
 }