diff --git a/wp-includes/script-loader.php b/wp-includes/script-loader.php
index 07f7e92f48..d8ce4baced 100644
--- a/wp-includes/script-loader.php
+++ b/wp-includes/script-loader.php
@@ -82,7 +82,7 @@ function wp_default_scripts( &$scripts ) {
 		'url' => admin_url('admin-ajax.php')
 	) );
 
-	$scripts->add( 'scriptaculous-root', '/wp-includes/js/scriptaculous/scriptaculous.js', array('prototype'), '1.8.0');
+	$scripts->add( 'scriptaculous-root', '/wp-includes/js/scriptaculous/wp-scriptaculous.js', array('prototype'), '1.8.0');
 	$scripts->add( 'scriptaculous-builder', '/wp-includes/js/scriptaculous/builder.js', array('scriptaculous-root'), '1.8.0');
 	$scripts->add( 'scriptaculous-dragdrop', '/wp-includes/js/scriptaculous/dragdrop.js', array('scriptaculous-builder', 'scriptaculous-effects'), '1.8.0');
 	$scripts->add( 'scriptaculous-effects', '/wp-includes/js/scriptaculous/effects.js', array('scriptaculous-root'), '1.8.0');