diff --git a/app/Http/Controllers/ClientPortalController.php b/app/Http/Controllers/ClientPortalController.php
index bde187be3386..4df6f81cc9be 100644
--- a/app/Http/Controllers/ClientPortalController.php
+++ b/app/Http/Controllers/ClientPortalController.php
@@ -130,7 +130,7 @@ class ClientPortalController extends BaseController
 
         $showApprove = $invoice->quote_invoice_id ? false : true;
         if ($invoice->due_date) {
-            $showApprove = time() < strtotime($invoice->due_date);
+            $showApprove = time() < strtotime($invoice->getOriginal('due_date'));
         }
         if ($invoice->invoice_status_id >= INVOICE_STATUS_APPROVED) {
             $showApprove = false;