diff --git a/README.md b/README.md
index aee1445..ea3afab 100644
--- a/README.md
+++ b/README.md
@@ -172,7 +172,7 @@ class PaymentController
 
         if (isset($response->status) && $response->status === CheckoutStatus::Created) {
             return IPay::redirect($response);
-            // IPay::redirectURL($response); - will be used in some cases, like InertiaJS
+            // IPay::redirectUrl($response); - will be used in some cases, like InertiaJS
         }
     }
 }
diff --git a/src/IPay.php b/src/IPay.php
index 04bd53e..fd50a4a 100644
--- a/src/IPay.php
+++ b/src/IPay.php
@@ -133,7 +133,7 @@ public function checkout(string $intent, int $order_id, array $units, array $ite
 
         return $this->postRequest($url, [
             'intent' => $intent,
-            'redirect_url' => url(config('ipay.redirect_url')),
+            'redirect_url' => url(config('ipay.redirect_url')) . '?order_id=' . $order_id,
             'shop_order_id' => $order_id,
             'locale' => config('ipay.language'),
             'show_shop_order_id_on_extract' => true,