diff --git a/app/Services/PdfMaker/Design.php b/app/Services/PdfMaker/Design.php
index 5cdd222c6cef..a539ad4365e1 100644
--- a/app/Services/PdfMaker/Design.php
+++ b/app/Services/PdfMaker/Design.php
@@ -303,7 +303,9 @@ class Design extends BaseDesign
         $elements = [];
 
         // Some of column can be aliased. This is simple workaround for these.
-        $aliases = [];
+        $aliases = [
+            '$product.product_key' => '$product.item',
+        ];
 
         foreach ($this->context['pdf_variables']["{$type}_columns"] as $column) {
             if (array_key_exists($column, $aliases)) {
diff --git a/app/Utils/Traits/MakesInvoiceValues.php b/app/Utils/Traits/MakesInvoiceValues.php
index ab8ab6ae0f49..08356c076822 100644
--- a/app/Utils/Traits/MakesInvoiceValues.php
+++ b/app/Utils/Traits/MakesInvoiceValues.php
@@ -624,6 +624,7 @@ trait MakesInvoiceValues
             $_table_type = ltrim($table_type, '$'); // From $product -> product.
 
 
+            $data[$key][$table_type.'.product_key'] = is_null(optional($item)->product_key) ? $item->item : $item->product_key;
             $data[$key][$table_type.'.item'] = is_null(optional($item)->item) ? $item->product_key : $item->item;
             $data[$key][$table_type.'.service'] = is_null(optional($item)->service) ? $item->product_key : $item->service;
             $data[$key][$table_type.'.notes'] = $item->notes;