diff --git a/includes/admin/post-types/meta-boxes/class-wc-meta-box-order-actions.php b/includes/admin/post-types/meta-boxes/class-wc-meta-box-order-actions.php
index eb0722b8c1f..ff1999f9136 100644
--- a/includes/admin/post-types/meta-boxes/class-wc-meta-box-order-actions.php
+++ b/includes/admin/post-types/meta-boxes/class-wc-meta-box-order-actions.php
@@ -93,7 +93,7 @@ class WC_Meta_Box_Order_Actions {
 
 				do_action( 'woocommerce_before_resend_order_emails', $order );
 
-				$mailer = $woocommerce->mailer();
+				$mailer = WC()->mailer();
 
 				$email_to_send = str_replace( 'send_email_', '', $action );