diff --git a/lib/compat/wordpress-6.4/class-gutenberg-rest-global-styles-revisions-controller-6-4.php b/lib/compat/wordpress-6.4/class-gutenberg-rest-global-styles-revisions-controller-6-4.php
index 4c7df97c33e57c..277143523b1894 100644
--- a/lib/compat/wordpress-6.4/class-gutenberg-rest-global-styles-revisions-controller-6-4.php
+++ b/lib/compat/wordpress-6.4/class-gutenberg-rest-global-styles-revisions-controller-6-4.php
@@ -15,6 +15,10 @@
  * @see WP_REST_Controller
  */
 class Gutenberg_REST_Global_Styles_Revisions_Controller_6_4 extends WP_REST_Global_Styles_Revisions_Controller {
+
+
+	protected $parent_post_type;
+
 	/**
 	 * Prepares the revision for the REST response.
 	 *
diff --git a/lib/compat/wordpress-6.5/rest-api.php b/lib/compat/wordpress-6.5/rest-api.php
index 12d789fb58b869..835a67055d9185 100644
--- a/lib/compat/wordpress-6.5/rest-api.php
+++ b/lib/compat/wordpress-6.5/rest-api.php
@@ -14,7 +14,7 @@
  * Registers the Global Styles Revisions REST API routes.
  */
 function gutenberg_register_global_styles_revisions_endpoints() {
-	$global_styles_revisions_controller = new Gutenberg_REST_Global_Styles_Revisions_Controller_6_5();
+	$global_styles_revisions_controller = new Gutenberg_REST_Global_Styles_Revisions_Controller_6_5( 'wp_global_styles' );
 	$global_styles_revisions_controller->register_routes();
 }