diff --git a/app/Utils/HtmlEngine.php b/app/Utils/HtmlEngine.php
index 003d5fb1f79f..a2a98275804e 100644
--- a/app/Utils/HtmlEngine.php
+++ b/app/Utils/HtmlEngine.php
@@ -226,6 +226,12 @@ class HtmlEngine
             $data['$view_url'] = ['value' => $this->invitation->getLink(), 'label' => ctrans('texts.view_credit')];
             // $data['$view_link']          = ['value' => $this->invitation->getLink(), 'label' => ctrans('texts.view_credit')];
             $data['$date'] = ['value' => $this->translateDate($this->entity->date, $this->client->date_format(), $this->client->locale()) ?: ' ', 'label' => ctrans('texts.credit_date')];
+
+            $data['$credit.custom1'] = ['value' => $this->helpers->formatCustomFieldValue($this->company->custom_fields, 'credit1', $this->entity->custom_value1, $this->client) ?: ' ', 'label' => $this->helpers->makeCustomField($this->company->custom_fields, 'invoice1')];
+            $data['$credit.custom2'] = ['value' => $this->helpers->formatCustomFieldValue($this->company->custom_fields, 'credit2', $this->entity->custom_value2, $this->client) ?: ' ', 'label' => $this->helpers->makeCustomField($this->company->custom_fields, 'invoice2')];
+            $data['$credit.custom3'] = ['value' => $this->helpers->formatCustomFieldValue($this->company->custom_fields, 'credit3', $this->entity->custom_value3, $this->client) ?: ' ', 'label' => $this->helpers->makeCustomField($this->company->custom_fields, 'invoice3')];
+            $data['$credit.custom4'] = ['value' => $this->helpers->formatCustomFieldValue($this->company->custom_fields, 'credit4', $this->entity->custom_value4, $this->client) ?: ' ', 'label' => $this->helpers->makeCustomField($this->company->custom_fields, 'invoice4')];
+
         }
 
         $data['$portal_url'] = ['value' => $this->invitation->getPortalLink(), 'label' =>''];