diff --git a/script.js b/script.js
index 4ac5bfe..a708d23 100644
--- a/script.js
+++ b/script.js
@@ -357,7 +357,7 @@ function loadTemplate(event) {
 function saveTemplate(event) {
     event.preventDefault()
     var datalist = productDataList(document.querySelector('#product-data'))
-    datalist.push(['template', event.currentTarget.form.template.value])
+    datalist.append('template', event.currentTarget.form.template.value)
     ajaxRequest('savetemplate', datalist, showResult)
 }