diff --git a/anatomy/static/js/anatomy.js b/anatomy/static/js/anatomy.js
index 98ef3038..febc771d 100644
--- a/anatomy/static/js/anatomy.js
+++ b/anatomy/static/js/anatomy.js
@@ -13,8 +13,8 @@ window.control_pressed = false;
 
 $(document).ready(function () {
   document.body.addEventListener("htmx:responseError", function(e) {
-      error = e.detail.xhr.response;
-      el = document.getElementById("htmx-error");
+      let error = e.detail.xhr.response;
+      let el = document.getElementById("htmx-error");
       el.innerHTML = error;
       el.classList.remove("hidden");
   });