diff --git a/src/wp-includes/class-wp-oembed-controller.php b/src/wp-includes/class-wp-oembed-controller.php
index 409cf18888..dbb4e3e91b 100644
--- a/src/wp-includes/class-wp-oembed-controller.php
+++ b/src/wp-includes/class-wp-oembed-controller.php
@@ -31,7 +31,7 @@ final class WP_oEmbed_Controller {
 		 */
 		$maxwidth = apply_filters( 'oembed_default_width', 600 );
 
-		register_rest_route( 'oembed/1.0/', '/embed', array(
+		register_rest_route( 'oembed/1.0', '/embed', array(
 			array(
 				'methods'  => WP_REST_Server::READABLE,
 				'callback' => array( $this, 'get_item' ),