diff --git a/ext_emconf.php b/ext_emconf.php
index 9ca18d8..8084d04 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -1,6 +1,6 @@
 <?php
 
-$EM_CONF['extender'] = [
+$EM_CONF['ew_collapsible_container'] = [
     'title' => 'Collapsible container',
     'description' => '',
     'category' => 'misc',