diff --git a/mod/lti/mod_form.js b/mod/lti/mod_form.js
index 117dbf4c2ab..ace191a459d 100644
--- a/mod/lti/mod_form.js
+++ b/mod/lti/mod_form.js
@@ -190,12 +190,10 @@
 
             var setting, control;
 
-            // Can't look these up by ID as they seem to get random IDs.
-            // Setting an id manually from mod_form made them turn into text boxes.
             var privacyControls = {
-                sendname: Y.one('input[name=instructorchoicesendname]'),
-                sendemailaddr: Y.one('input[name=instructorchoicesendemailaddr]'),
-                acceptgrades: Y.one('input[name=instructorchoiceacceptgrades]')
+                sendname: Y.one('#id_instructorchoicesendname'),
+                sendemailaddr: Y.one('#id_instructorchoicesendemailaddr'),
+                acceptgrades: Y.one('#id_instructorchoiceacceptgrades')
             };
 
             // Store a copy of user entered privacy settings as we may overwrite them