diff --git a/components/Toolbar.vue b/components/Toolbar.vue
index f3a8b2a..fbda574 100644
--- a/components/Toolbar.vue
+++ b/components/Toolbar.vue
@@ -150,6 +150,7 @@ export default {
 
     fieldsWithoutComments() {
       return this.$store.state.fields.map(f => {
+        f = {...f};
         delete (f.comment);
         return f;
       });