diff --git a/playground/ty/src/Playground.tsx b/playground/ty/src/Playground.tsx
index e501ab8c37..9c87ff6c3c 100644
--- a/playground/ty/src/Playground.tsx
+++ b/playground/ty/src/Playground.tsx
@@ -198,7 +198,7 @@ export const DEFAULT_SETTINGS = JSON.stringify(
       "python-version": "3.13",
     },
     rules: {
-      "division-by-zero": "error",
+      "undefined-reveal": "ignore",
     },
   },
   null,