diff --git a/groupdav.php b/groupdav.php
index 698a87d0a4..34512fd9a3 100644
--- a/groupdav.php
+++ b/groupdav.php
@@ -34,7 +34,7 @@ function check_access(&$account)
 	$agent = strtolower($_SERVER['HTTP_USER_AGENT']);
 	foreach(array(
 		'davkit',	// Apple iCal
-		'bionicmessage.net',
+	//	'bionicmessage.net',
 		'zideone',
 		'lightning',
 	) as $test)