diff --git a/wp-includes/option.php b/wp-includes/option.php
index 265b0bdbe0..f8f3180d5c 100644
--- a/wp-includes/option.php
+++ b/wp-includes/option.php
@@ -2020,6 +2020,11 @@ function register_initial_settings() {
 		)
 	);
 
+	register_setting( 'permalink', 'permalink_structure', array(
+		'show_in_rest' => true,
+		'type'         => 'string',
+		'description'  => __( 'Custom URL structure for permalinks and archives.' ),
+	) );
 }
 
 /**
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 4e29e3fc3e..9405406535 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.0-alpha-42358';
+$wp_version = '5.0-alpha-42359';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.