diff --git a/wp-includes/js/autosave.js.php b/wp-includes/js/autosave.js.php
index 155408a606..9e4988a310 100644
--- a/wp-includes/js/autosave.js.php
+++ b/wp-includes/js/autosave.js.php
@@ -6,7 +6,7 @@ var autosavePeriodical;
 function autosave_start_timer() {
 	var form = $('post');
 	autosaveLast = form.post_title.value+form.content.value;
-	autosavePerodical = new PeriodicalExecutor(autosave, <?php echo apply_filters('autosave_interval', '60000'); ?>);
+	autosavePerodical = new PeriodicalExecuter(autosave, <?php echo apply_filters('autosave_interval', '60000'); ?>);
 }
 addLoadEvent(autosave_start_timer)