diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-controller.php
index d9d60d2ee9..b9c05eb894 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-controller.php
@@ -451,7 +451,7 @@ abstract class WP_REST_Controller {
 				continue;
 			}
 
-			if ( ! in_array( $field_name, $requested_fields, true ) ) {
+			if ( ! rest_is_field_included( $field_name, $requested_fields ) ) {
 				continue;
 			}
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 7bc6ddb21a..0bfd0c5cc2 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.5-alpha-47510';
+$wp_version = '5.5-alpha-47511';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.