diff --git a/assets/js/oauth.js b/assets/js/oauth.js
index 927f6d0a4..9c57bfd34 100644
--- a/assets/js/oauth.js
+++ b/assets/js/oauth.js
@@ -29,8 +29,8 @@ const parseQueryString = string => {
   if (string === "") {
     return {};
   }
-  let segments = string.split("&").map(s => s.split("="));
-  let queryString = {};
+  const segments = string.split("&").map(s => s.split("="));
+  const queryString = {};
   segments.forEach(s => (queryString[s[0]] = s[1]));
   return queryString;
 };