diff --git a/src/wp-includes/revision.php b/src/wp-includes/revision.php
index 3bf3171379..bef1d0b44b 100644
--- a/src/wp-includes/revision.php
+++ b/src/wp-includes/revision.php
@@ -582,7 +582,7 @@ function _show_post_preview() {
 		$id = (int) $_GET['preview_id'];
 
 		if ( false === wp_verify_nonce( $_GET['preview_nonce'], 'post_preview_' . $id ) ) {
-			wp_die( __( 'Sorry, you are not allowed to preview drafts.' ) );
+			wp_die( __( 'Sorry, you are not allowed to preview drafts.' ), 403 );
 		}
 
 		add_filter( 'the_preview', '_set_preview' );