diff --git a/actions/groupmembers.php b/actions/groupmembers.php
index b4c1ec1cd1..d8b2a1e7f3 100644
--- a/actions/groupmembers.php
+++ b/actions/groupmembers.php
@@ -27,7 +27,7 @@
  * @link      http://status.net/
  */
 
-if (!defined('GNUSOCIAL)')) { exit(1); }
+if (!defined('GNUSOCIAL')) { exit(1); }
 
 /**
  * List of group members