diff --git a/sites/all/modules/unl/unl_cas.module b/sites/all/modules/unl/unl_cas.module
index a0ddc0c899625f96dd5980abc5cd7a195c0bfce9..26c1a0ecd583b3e7a24f1594ac688a0bfa8534b7 100644
--- a/sites/all/modules/unl/unl_cas.module
+++ b/sites/all/modules/unl/unl_cas.module
@@ -9,6 +9,7 @@ function unl_cas_init()
 {
     require_once dirname(__FILE__) . '/unl_loader.php';
     unl_load_zend_framework();
+    drupal_session_start();
 	
 	$cas = unl_cas_get_adapter();