diff --git a/src/onDeleteAccount.js b/src/onDeleteAccount.js
index aba5bbc230372435293e28af0b297e9895e4f34c..015bb91d1a9570d4f6e11bd893ffd823c30d2439 100644
--- a/src/onDeleteAccount.js
+++ b/src/onDeleteAccount.js
@@ -55,10 +55,10 @@ async function fetchNewAccessToken(accountSecret) {
       // split the result into an array of strings containing a single json object
       // then check if the resulting json has an access_token field
       // return it if it does or return undefined
-      return result.match(/.+/g).map(s => {
-        result = JSON.parse(s)
-        if (result.access_token) {
-          return result.access_token
+      return result.match(/.+/g).map(jsonString => {
+        const jsonObject = JSON.parse(jsonString)
+        if (jsonObject.access_token) {
+          return jsonObject.access_token
         }
       })
     })