diff --git a/includes/products/class-products-purchase.php b/includes/products/class-products-purchase.php
index 50e203b0..d599c4bb 100644
--- a/includes/products/class-products-purchase.php
+++ b/includes/products/class-products-purchase.php
@@ -296,7 +296,12 @@ public function listing_checkout_update_order_meta( $order_id ) {
 		if ( is_array( $params ) ) {
 			foreach ( $params as $param => $value ) {
 				if ( in_array( $param, array_keys( self::ORDER_META_KEYS ) ) ) {
-					update_post_meta( $order_id, sanitize_text_field( self::ORDER_META_KEYS[ $param ] ), sanitize_text_field( $value ) );
+					$order = wc_get_order( $order_id );
+					if ( ! $order ) {
+						continue;
+					}
+					$order->update_meta_data( $order_id, sanitize_text_field( self::ORDER_META_KEYS[ $param ] ), sanitize_text_field( $value ) );
+					$order->save();
 				}
 			}
 		}