diff --git a/app/Utils/HtmlEngine.php b/app/Utils/HtmlEngine.php
index 0357db69184b..bcb400224f28 100644
--- a/app/Utils/HtmlEngine.php
+++ b/app/Utils/HtmlEngine.php
@@ -188,6 +188,7 @@ class HtmlEngine
         $data['$invoice.custom4'] = ['value' => $this->helpers->formatCustomFieldValue($this->company->custom_fields, 'invoice4', $this->entity->custom_value4, $this->client) ?: ' ', 'label' => $this->helpers->makeCustomField($this->company->custom_fields, 'invoice4')];
         $data['$invoice.public_notes'] = ['value' => nl2br($this->entity->public_notes) ?: ' ', 'label' => ctrans('texts.public_notes')];
         $data['$entity.public_notes'] = &$data['$invoice.public_notes'];
+        $data['$public_notes'] = &$data['$invoice.public_notes'];
 
         $data['$entity_issued_to'] = ['value' => '', 'label' => ctrans("texts.{$this->entity_string}_issued_to")];
         $data['$your_entity'] = ['value' => '', 'label' => ctrans("texts.your_{$this->entity_string}")];