diff --git a/src/bundle/Resources/public/js/scripts/fieldType/validator/richtext-validator.js b/src/bundle/Resources/public/js/scripts/fieldType/validator/richtext-validator.js
index 600c4855ce..98b426478d 100644
--- a/src/bundle/Resources/public/js/scripts/fieldType/validator/richtext-validator.js
+++ b/src/bundle/Resources/public/js/scripts/fieldType/validator/richtext-validator.js
@@ -1,3 +1,5 @@
+import { getTranslator } from '../../helpers/context.helper';
+
 const { ibexa } = window;
 
 class RichTextValidator extends ibexa.BaseFieldValidator {
@@ -18,15 +20,24 @@ class RichTextValidator extends ibexa.BaseFieldValidator {
      * @memberof RichTextValidator
      */
     validateInput(event) {
+        const Translator = getTranslator();
         const fieldContainer = event.currentTarget.closest(this.selectorField);
         const isRequired = fieldContainer.classList.contains('ibexa-field-edit--required');
-        const label = fieldContainer.querySelector(this.labelSelector).innerHTML;
+        const label = fieldContainer.querySelector(this.labelSelector)?.innerHTML;
         const isEmpty = !this.richtextEditor.getData().length;
         const isError = isRequired && isEmpty;
         const result = { isError };
 
         if (isError) {
-            result.errorMessage = ibexa.errors.emptyField.replace('{fieldName}', label);
+            if (label) {
+                result.errorMessage = ibexa.errors.emptyField.replace('{fieldName}', label);
+            } else {
+                result.errorMessage = Translator.trans(
+                    /*@Desc("This value should not be blank.")*/ 'error.required.field_not_blank',
+                    {},
+                    'forms',
+                );
+            }
         }
 
         return result;