diff --git a/src/CheckoutSdk.php b/src/CheckoutSdk.php
index f374e3f..3da2aa2 100644
--- a/src/CheckoutSdk.php
+++ b/src/CheckoutSdk.php
@@ -260,11 +260,14 @@ class CheckoutSdk implements CheckoutSdkInterface {
     $tax_total = NULL;
     foreach ($order->getItems() as $order_item) {
       $item_total = $item_total ? $item_total->add($order_item->getTotalPrice()) : $order_item->getTotalPrice();
+      $unit_price = \Drupal::getContainer()
+        ->get('commerce_price.rounder')
+        ->round($order_item->getUnitPrice());
       $item = [
         'name' => mb_substr($order_item->getTitle(), 0, 127),
         'unit_amount' => [
           'currency_code' => $order_item->getUnitPrice()->getCurrencyCode(),
-          'value' => Calculator::trim($order_item->getUnitPrice()->getNumber()),
+          'value' => Calculator::trim($unit_price->getNumber()),
         ],
         'quantity' => intval($order_item->getQuantity()),
       ];