diff --git a/enrol/database/lib.php b/enrol/database/lib.php
index ed897341465..9e955edc57c 100644
--- a/enrol/database/lib.php
+++ b/enrol/database/lib.php
@@ -641,7 +641,7 @@ class enrol_database_plugin extends enrol_plugin {
         if ($idnumber) {
             $sqlfields[] = $idnumber;
         }
-        $sql = $this->db_get_sql($table, array(), $sqlfields);
+        $sql = $this->db_get_sql($table, array(), $sqlfields, true);
         $createcourses = array();
         if ($rs = $extdb->Execute($sql)) {
             if (!$rs->EOF) {