diff --git a/wp-includes/IXR/class-IXR-server.php b/wp-includes/IXR/class-IXR-server.php
index 3112d23815..2ead9b783c 100644
--- a/wp-includes/IXR/class-IXR-server.php
+++ b/wp-includes/IXR/class-IXR-server.php
@@ -129,6 +129,11 @@ EOD;
         if ($message && !is_object($error)) {
             $error = new IXR_Error($error, $message);
         }
+
+		if ( function_exists( 'status_header' ) ) {
+			status_header( $error->code );
+		}
+
         $this->output($error->getXml());
     }
 
diff --git a/wp-includes/class-wp-xmlrpc-server.php b/wp-includes/class-wp-xmlrpc-server.php
index 0be3318ee7..f45576aaef 100644
--- a/wp-includes/class-wp-xmlrpc-server.php
+++ b/wp-includes/class-wp-xmlrpc-server.php
@@ -286,8 +286,8 @@ class wp_xmlrpc_server extends IXR_Server {
 			 *
 			 * @since 3.5.0
 			 *
-			 * @param string   $error The XML-RPC error message.
-			 * @param WP_Error $user  WP_Error object.
+			 * @param IXR_Error $error The XML-RPC error message.
+			 * @param WP_Error  $user  WP_Error object.
 			 */
 			$this->error = apply_filters( 'xmlrpc_login_error', $this->error, $user );
 			return false;
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 4f4d2bed01..1b558cc695 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.7-alpha-49860';
+$wp_version = '5.7-alpha-49862';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.