diff --git a/website/src/repl/prebakeCodeMirror.mjs b/website/src/repl/prebakeCodeMirror.mjs
index e40aaae9..ddaf8708 100644
--- a/website/src/repl/prebakeCodeMirror.mjs
+++ b/website/src/repl/prebakeCodeMirror.mjs
@@ -4,7 +4,7 @@ import { defaultHighlightStyle, syntaxHighlighting } from '@codemirror/language'
 import { Compartment, EditorState, Prec } from '@codemirror/state';
 import { drawSelection, EditorView, keymap } from '@codemirror/view';
 import { logger } from '@strudel/core';
-import { basicSetup, flash, prebakeField, initTheme, extensions } from '@strudel/codemirror';
+import { basicSetup, flash, prebakeField, initTheme, extensions, parseBooleans } from '@strudel/codemirror';
 
 export class PrebakeCodeMirror {
   constructor(initialCode, storePrebake, containerRef, editorRef, settings) {