diff --git a/lib/compat/wordpress-6.4/block-patterns.php b/lib/compat/wordpress-6.4/block-patterns.php
index 01c1573729f7e..4ecad0ddd1f5c 100644
--- a/lib/compat/wordpress-6.4/block-patterns.php
+++ b/lib/compat/wordpress-6.4/block-patterns.php
@@ -28,6 +28,7 @@ function gutenberg_register_taxonomy_patterns() {
 		'show_admin_column' => true,
 		'query_var'         => true,
 		'show_in_rest'      => true,
+		'_builtin'          => true,
 		'rewrite'           => array( 'slug' => 'wp_pattern_category' ),
 	);
 	register_taxonomy( 'wp_pattern_category', array( 'wp_block' ), $args );