diff --git a/utils/EventRepository.js b/utils/EventRepository.js
index f93bfb9aae..1b0b9933a2 100644
--- a/utils/EventRepository.js
+++ b/utils/EventRepository.js
@@ -138,10 +138,12 @@ class EventRepository {
 
     const headers = {
       "Content-Type": "application/json",
-      Authorization: `Basic ${Buffer.from(`${this.writeKey}:`).toString(
-        "base64"
-      )}`,
-      AnonymousId: Buffer.from(message.anonymousId).toString("base64"),
+      Authorization: `Basic ${btoa(`${this.writeKey}:`)}`,
+      // Authorization: `Basic ${Buffer.from(`${this.writeKey}:`).toString(
+      //   "base64"
+      // )}`,
+      AnonymousId: btoa(message.anonymousId),
+      // AnonymousId: Buffer.from(message.anonymousId).toString("base64"),
     };
 
     // modify the url for event specific endpoints
diff --git a/utils/utils.js b/utils/utils.js
index bedbf1e04c..ab758b95b9 100644
--- a/utils/utils.js
+++ b/utils/utils.js
@@ -111,7 +111,8 @@ function getJSONTrimmed(context, url, writeKey, callback) {
   xhr.open("GET", url, true);
   xhr.setRequestHeader(
     "Authorization",
-    `Basic ${Buffer.from(`${writeKey}:`).toString("base64")}`
+    `Basic ${btoa(`${writeKey}:`)}`
+    // `Basic ${Buffer.from(`${writeKey}:`).toString("base64")}`
   );
 
   xhr.onload = function () {