diff --git a/app/Helpers/Invoice/InvoiceItemSum.php b/app/Helpers/Invoice/InvoiceItemSum.php
index c7d444b9c522..50bb29fd0859 100644
--- a/app/Helpers/Invoice/InvoiceItemSum.php
+++ b/app/Helpers/Invoice/InvoiceItemSum.php
@@ -399,8 +399,11 @@ class InvoiceItemSum
             
             $item_tax = 0;
 
-            //$amount = $this->item->line_total - ($this->item->line_total * ($this->invoice->discount / $this->sub_total));
-            $amount = ($this->sub_total > 0) ? $this->item->line_total - ($this->invoice->discount * ($this->item->line_total / $this->sub_total)) : 0;
+            // $amount = $this->item->line_total - ($this->item->line_total * ($this->invoice->discount / $this->sub_total));
+            if($this->invoice->discount > 0)
+                $amount = ($this->sub_total > 0) ? $this->item->line_total - ($this->invoice->discount * ($this->item->line_total / $this->sub_total)) : 0;
+            else 
+                $amount = $this->item->line_total - ($this->item->line_total * ($this->invoice->discount / $this->sub_total));
             
             $item_tax_rate1_total = $this->calcAmountLineTax($this->item->tax_rate1, $amount);
 
diff --git a/app/PaymentDrivers/GoCardless/DirectDebit.php b/app/PaymentDrivers/GoCardless/DirectDebit.php
index f27696d8627d..c99ef060d10f 100644
--- a/app/PaymentDrivers/GoCardless/DirectDebit.php
+++ b/app/PaymentDrivers/GoCardless/DirectDebit.php
@@ -108,7 +108,8 @@ class DirectDebit implements MethodInterface
         $response = $this->go_cardless->gateway->billingRequests()->create([
                         "params" => [
                             "mandate_request" => [
-                            "currency" => auth()->guard('contact')->user()->client->currency()->code
+                            "currency" => auth()->guard('contact')->user()->client->currency()->code,
+                            "verify" => "recommended"
                             ]
                         ]
                     ]);