diff --git a/assets/components/tinymce/template.list.php b/assets/components/tinymce/template.list.php
index 008bb51..a78a825 100644
--- a/assets/components/tinymce/template.list.php
+++ b/assets/components/tinymce/template.list.php
@@ -2,6 +2,7 @@
 /**
  * @package tinymce
  */
+header("Content-type: application/javascript");
 require dirname(__FILE__).'/connector.php';
 
 $templates = $modx->tinymce->getTemplateList();