diff --git a/classes/registration/RegistrationDAO.inc.php b/classes/registration/RegistrationDAO.inc.php
index 4a31c42c2..ab2367720 100755
--- a/classes/registration/RegistrationDAO.inc.php
+++ b/classes/registration/RegistrationDAO.inc.php
@@ -414,7 +414,8 @@ function &getRegisteredUsers($schedConfId, $paid = true, $dbResultRange = null)
 			$dbResultRange
 		);
 
-		$returner = new DAOResultFactory($result, $this->userDao, '_returnUserFromRowWithData');
+		$userDao =& DAORegistry::getDAO('UserDAO');
+		$returner = new DAOResultFactory($result, $userDao, '_returnUserFromRowWithData');
 		return $returner;
 	}