diff --git a/frontend/src/scripts/controllers/challenge-controller.ts b/frontend/src/scripts/controllers/challenge-controller.ts
index ca45fc174..a40bee1c9 100644
--- a/frontend/src/scripts/controllers/challenge-controller.ts
+++ b/frontend/src/scripts/controllers/challenge-controller.ts
@@ -271,6 +271,7 @@ export async function setup(challengeName: string): Promise<boolean> {
 ConfigEvent.subscribe((eventKey) => {
   if (
     [
+      "difficulty",
       "numbers",
       "punctuation",
       "mode",