diff --git a/src/sunstone/public/app/tabs/templates-tab/form-panels/instantiate.js b/src/sunstone/public/app/tabs/templates-tab/form-panels/instantiate.js
index 9fbb36c8a1..e2884ee7ef 100644
--- a/src/sunstone/public/app/tabs/templates-tab/form-panels/instantiate.js
+++ b/src/sunstone/public/app/tabs/templates-tab/form-panels/instantiate.js
@@ -471,7 +471,7 @@ define(function(require) {
       var os = original_tmpl.TEMPLATE.OS ? original_tmpl.TEMPLATE.OS : {};
       
       for ([key, value] of Object.entries(os)) {
-        os[key] = value.replaceAll('"', '\\"');
+        os[key] = value.replace(/"/g, '\\"');
       }
 
       if (boot && boot.length > 0) {