diff --git a/app/Controllers/Invoice.php b/app/Controllers/Invoice.php
index d206e80a..f7df68f5 100644
--- a/app/Controllers/Invoice.php
+++ b/app/Controllers/Invoice.php
@@ -746,7 +746,8 @@ class Invoice extends BaseController
         $mpdf->WriteHTML($html);
 
         // Output the PDF to the browser for download
-        $mpdf->Output('invoice_' . date('Y-m-d H-i-s') . '.pdf', 'D');
+        // $mpdf->Output('invoice_' . date('Y-m-d H-i-s') . '.pdf', 'D');
+        $mpdf->Output("invoice_" . $data[0]->invoice_number . '.pdf', 'D');
     }
     public function generate_invoice_pdf_preview($id)
     {
@@ -1124,7 +1125,9 @@ class Invoice extends BaseController
             $mpdf->WriteHTML($html);
 
             // Output the PDF to the browser for download
-            $mpdf->Output("invoice_" . date('Y-m-d H-i-s') . '.pdf', 'D');
+            // $mpdf->Output("invoice_" . date('Y-m-d H-i-s') . '.pdf', 'D');
+            $mpdf->Output("invoice_" . $data[0]->invoice_number . '.pdf', 'D');
+            
         } else {
             echo "no code works";
         }