diff --git a/includes/abstracts/abstract-wc-stripe-payment-gateway.php b/includes/abstracts/abstract-wc-stripe-payment-gateway.php
index 4715f1231..12c0e80f9 100644
--- a/includes/abstracts/abstract-wc-stripe-payment-gateway.php
+++ b/includes/abstracts/abstract-wc-stripe-payment-gateway.php
@@ -481,8 +481,9 @@ public function generate_payment_request( $order, $prepared_payment_method ) {
 		$metadata = [
 			__( 'customer_name', 'woocommerce-gateway-stripe' ) => sanitize_text_field( $billing_first_name ) . ' ' . sanitize_text_field( $billing_last_name ),
 			__( 'customer_email', 'woocommerce-gateway-stripe' ) => sanitize_email( $billing_email ),
-			'order_id' => $order->get_order_number(),
-			'site_url' => esc_url( get_site_url() ),
+			'order_id'  => $order->get_order_number(),
+			'site_url'  => esc_url( get_site_url() ),
+			'signature' => $this->get_order_signature( $order ),
 		];
 
 		if ( $this->has_subscription( $order->get_id() ) ) {