diff --git a/addressbook/inc/class.addressbook_groupdav.inc.php b/addressbook/inc/class.addressbook_groupdav.inc.php
index af565fbad4..1ece1a087b 100644
--- a/addressbook/inc/class.addressbook_groupdav.inc.php
+++ b/addressbook/inc/class.addressbook_groupdav.inc.php
@@ -936,7 +936,7 @@ class addressbook_groupdav extends groupdav_handler
 	 */
 	function check_access($acl,$contact)
 	{
-		return $this->bo->check_perms($acl,$contact);
+		return $this->bo->check_perms($acl, $contact, true);	// true = deny to delete accounts
 	}
 
 	/**