diff --git a/app/src/App.vue b/app/src/App.vue
index b45efeb9..80bd7361 100644
--- a/app/src/App.vue
+++ b/app/src/App.vue
@@ -139,7 +139,7 @@ export default {
       if (key === copypastaCode[copypastastep++]) {
         if (copypastastep === copypastaCode.length) {
           document
-            .getElementsByClassName('unselectable')
+            .querySelectorAll('.unselectable')
             .forEach((element) => element.classList.remove('unselectable'))
           copypastastep = 0
         }