diff --git a/site/plugins/admin/app/Controllers/EntriesController.php b/site/plugins/admin/app/Controllers/EntriesController.php
index eee9a9af..27c12e1b 100644
--- a/site/plugins/admin/app/Controllers/EntriesController.php
+++ b/site/plugins/admin/app/Controllers/EntriesController.php
@@ -454,7 +454,7 @@ class EntriesController extends Controller
                         break;
                         // A WYSIWYG HTML field.
                         case 'html':
-                            if ($form_value === '') {
+                            if ($form_value === '' || count($form_value['blocks']) == 0) {
                                 $form_value = JsonParser::decode('{
                                     "time": 1559727958862,
                                     "blocks": [{