diff --git a/app/Services/PdfMaker/Designs/Utilities/BuildTableHeader.php b/app/Services/PdfMaker/Designs/Utilities/BuildTableHeader.php
index c6e7dbf15932..5459242cb570 100644
--- a/app/Services/PdfMaker/Designs/Utilities/BuildTableHeader.php
+++ b/app/Services/PdfMaker/Designs/Utilities/BuildTableHeader.php
@@ -25,7 +25,7 @@ trait BuildTableHeader
      */
     public function processTaxColumns(): void
     {
-        if (isset($this->context['product-table-columns']['$product.tax'])) {
+        if (in_array('$product.tax', $this->context['product-table-columns'])) {
             $line_items = collect($this->invoice->line_items);
 
             $tax1 = $line_items->where('tax_name1', '<>', '')->where('type_id', 1)->count();