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 61591cb6c1..c1de3946c0 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-controller.php
@@ -431,7 +431,13 @@ abstract class WP_REST_Controller {
 				continue;
 			}
 
-			$prepared[ $field_name ] = call_user_func( $field_options['get_callback'], $prepared, $field_name, $request, $this->get_object_type() );
+			$prepared[ $field_name ] = call_user_func(
+				$field_options['get_callback'],
+				$prepared,
+				$field_name,
+				$request,
+				$this->get_object_type()
+			);
 		}
 
 		return $prepared;
@@ -442,11 +448,11 @@ abstract class WP_REST_Controller {
 	 *
 	 * @since 4.7.0
 	 *
-	 * @param object          $object  Data model like WP_Term or WP_Post.
-	 * @param WP_REST_Request $request Full details about the request.
+	 * @param object          $data_object Data model like WP_Term or WP_Post.
+	 * @param WP_REST_Request $request     Full details about the request.
 	 * @return true|WP_Error True on success, WP_Error object if a field cannot be updated.
 	 */
-	protected function update_additional_fields_for_object( $object, $request ) {
+	protected function update_additional_fields_for_object( $data_object, $request ) {
 		$additional_fields = $this->get_additional_fields();
 
 		foreach ( $additional_fields as $field_name => $field_options ) {
@@ -459,7 +465,14 @@ abstract class WP_REST_Controller {
 				continue;
 			}
 
-			$result = call_user_func( $field_options['update_callback'], $request[ $field_name ], $object, $field_name, $request, $this->get_object_type() );
+			$result = call_user_func(
+				$field_options['update_callback'],
+				$request[ $field_name ],
+				$data_object,
+				$field_name,
+				$request,
+				$this->get_object_type()
+			);
 
 			if ( is_wp_error( $result ) ) {
 				return $result;
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 6daa619d97..742f89a0fa 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.2-alpha-54968';
+$wp_version = '6.2-alpha-54969';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.