diff --git a/app/Services/PdfMaker/Design.php b/app/Services/PdfMaker/Design.php
index 6468cbe7b549..ca501eb69b3a 100644
--- a/app/Services/PdfMaker/Design.php
+++ b/app/Services/PdfMaker/Design.php
@@ -310,11 +310,12 @@ class Design extends BaseDesign
         $aliases = [
             '$product.product_key' => '$product.item',
             '$task.product_key' => '$task.service',
+            '$task.rate' => '$task.cost',
         ];
 
         foreach ($this->context['pdf_variables']["{$type}_columns"] as $column) {
             if (array_key_exists($column, $aliases)) {
-                $elements[] = ['element' => 'th', 'content' => $aliases[$column] . '_label', 'properties' => ['hidden' => $this->client->getSetting('hide_empty_columns_on_pdf')]];
+                $elements[] = ['element' => 'th', 'content' => $aliases[$column] . '_label', 'properties' => ['data-ref' => "{$type}_table-" . substr($aliases[$column], 1) . '-th', 'hidden' => $this->client->getSetting('hide_empty_columns_on_pdf')]];
             } elseif ($column == '$product.discount' && !$this->client->company->enable_product_discount) {
                 $elements[] = ['element' => 'th', 'content' => $column . '_label', 'properties' => ['data-ref' => "{$type}_table-" . substr($column, 1) . '-th', 'style' => 'display: none;']];
             } elseif ($column == '$product.quantity' && !$this->client->company->enable_product_quantity) {
diff --git a/app/Utils/HtmlEngine.php b/app/Utils/HtmlEngine.php
index 23a37b03cc8a..6c0cb23fc113 100644
--- a/app/Utils/HtmlEngine.php
+++ b/app/Utils/HtmlEngine.php
@@ -329,6 +329,7 @@ class HtmlEngine
         $data['$task.service'] = ['value' => '', 'label' => ctrans('texts.service')];
         $data['$task.description'] = ['value' => '', 'label' => ctrans('texts.description')];
         $data['$task.rate'] = ['value' => '', 'label' => ctrans('texts.rate')];
+        $data['$task.cost'] = ['value' => '', 'label' => ctrans('texts.rate')];
         $data['$task.hours'] = ['value' => '', 'label' => ctrans('texts.hours')];
         $data['$task.tax'] = ['value' => '', 'label' => ctrans('texts.tax')];
         $data['$task.tax_name1'] = ['value' => '', 'label' => ctrans('texts.tax')];