diff --git a/src/Paystack.php b/src/Paystack.php
index 9dc8a81..0aa42dc 100644
--- a/src/Paystack.php
+++ b/src/Paystack.php
@@ -113,7 +113,7 @@ public function makePaymentRequest( $data = null)
     {
         if ( $data == null ) {
 
-            $quantity = intval(request()->quantity);
+            $quantity = intval(request()->quantity ?? 1);
 
             $data = [
                 "amount" => intval(request()->amount) * $quantity,