diff --git a/block_wisc_ra.php b/block_wisc_ra.php
index 97b19e89993900cd77cb06b367c4b63784dee016..98edca1a846109a85b27ce304703df2afa381cf4 100644
--- a/block_wisc_ra.php
+++ b/block_wisc_ra.php
@@ -7,6 +7,7 @@
 * Author: Nick Koeppen
 ******************************************************************************/
 
+require_once($CFG->dirroot.'/enrol/wisc/controller.class.php');
 
 class block_wisc_ra extends block_base {
 	function init() {