diff --git a/src/wp-includes/rest-api.php b/src/wp-includes/rest-api.php
index d4c0aca..d5b89f0 100644
--- a/src/wp-includes/rest-api.php
+++ b/src/wp-includes/rest-api.php
@@ -432,6 +432,7 @@ function rest_handle_options_request( $response, $handler, $request ) {
 
 		$data = $handler->get_data_for_route( $route, $endpoints, 'help' );
 		$accept = array_merge( $accept, $data['methods'] );
+		$response->set_matched_route( $route );
 		break;
 	}
 	$response->header( 'Accept', implode( ', ', $accept ) );