diff --git a/src/drivers/send/index.js b/src/drivers/send/index.js
index eb4627e0..d1e5619c 100644
--- a/src/drivers/send/index.js
+++ b/src/drivers/send/index.js
@@ -62,7 +62,7 @@ export function sendMessage(win, message, domain) {
 
         let messages = [];
 
-        let serializedMessage = JSON.stringify({
+        let serializedMessage = jsonStringify({
             [ CONSTANTS.WINDOW_PROPS.POSTROBOT ]: message
         }, 0, 2);