diff --git a/modules/ppcp-button/src/Helper/WooCommerceOrderCreator.php b/modules/ppcp-button/src/Helper/WooCommerceOrderCreator.php
index 313fb5e62..625157a05 100644
--- a/modules/ppcp-button/src/Helper/WooCommerceOrderCreator.php
+++ b/modules/ppcp-button/src/Helper/WooCommerceOrderCreator.php
@@ -236,6 +236,8 @@ class WooCommerceOrderCreator {
 
 			$wc_order->add_item( $shipping );
 		}
+
+		$wc_order->calculate_totals();
 	}
 
 	/**