diff --git a/cake/dispatcher.php b/cake/dispatcher.php
index 5fb872c64..f061d1601 100644
--- a/cake/dispatcher.php
+++ b/cake/dispatcher.php
@@ -636,6 +636,8 @@ class Dispatcher extends Object {
 		if ($ext === 'css' || $ext === 'js') {
 			include($assetFile);
 		} else {
+			ob_clean();
+			flush();
 			readfile($assetFile);
 		}