diff --git a/src/Gateway.php b/src/Gateway.php
index be79a28a..4383cde3 100644
--- a/src/Gateway.php
+++ b/src/Gateway.php
@@ -1237,7 +1237,7 @@ private function get_order_items( $order) {
 		 * @since 1.0
 		 */
 		$order_items = apply_filters('woocommerce_paytrail_gateway_get_order_items', $order->get_items([ 'line_item', 'fee', 'shipping' ]), $order);
-		$order_total = $this->helper->handle_currency($order->get_total());
+		$order_total = intval($this->helper->handle_currency($order->get_total()));
 
 		// Convert items to SDK Item objects.
 		$items = array_map(