diff --git a/src/routes/setUsername.js b/src/routes/setUsername.js
index e5b2865..7e59754 100644
--- a/src/routes/setUsername.js
+++ b/src/routes/setUsername.js
@@ -12,7 +12,7 @@ module.exports = function setUsername(req, res) {
 
   let adminUserIDInput = req.query.adminUserID;
 
-  if (userID == undefined || userName == undefined || userID === "undefined" || userName.length > 50) {
+  if (userID == undefined || userName == undefined || userID === "undefined" || userName.length > 64) {
       //invalid request
       res.sendStatus(400);
       return;
diff --git a/src/utils/createMemoryCache.js b/src/utils/createMemoryCache.js
index ec4402d..5ab781c 100644
--- a/src/utils/createMemoryCache.js
+++ b/src/utils/createMemoryCache.js
@@ -1,4 +1,6 @@
 module.exports = function createMemoryCache(memoryFn, cacheTimeMs) {
+  if (isNaN(cacheTimeMs)) cacheTimeMs = 0;
+
   // holds the promise results
   const cache = new Map();
   // holds the promises that are not fulfilled