diff --git a/resources/assets/js/views/common/reports.js b/resources/assets/js/views/common/reports.js
index 3595fb67d..66cd2baed 100644
--- a/resources/assets/js/views/common/reports.js
+++ b/resources/assets/js/views/common/reports.js
@@ -36,6 +36,12 @@ const app = new Vue({
 
     methods: {
         onChangeClass(class_name) {
+            if (! class_name) {
+                this.report_fields = '';
+
+                return;
+            }
+
             axios.get(url + '/common/reports/fields', {
                 params: {
                     class: class_name