diff --git a/lib/client-assets.php b/lib/client-assets.php
index ded267509348b2..3ca7424d646ada 100644
--- a/lib/client-assets.php
+++ b/lib/client-assets.php
@@ -484,7 +484,7 @@ function gutenberg_extend_wp_api_backbone_client() {
 	wp_add_inline_script( 'wp-api', $script );
 
 	// Localize the wp-api settings and schema.
-	$schema_response = rest_do_request( new WP_REST_Request( 'GET', '/wp/v2' ) );
+	$schema_response = rest_do_request( new WP_REST_Request( 'GET', '/' ) );
 	if ( ! $schema_response->is_error() ) {
 		wp_add_inline_script( 'wp-api', sprintf(
 			'wpApiSettings.cacheSchema = true; wpApiSettings.schema = %s;',