diff --git a/lib/cache.js b/lib/cache.js
index 2bb3362..4b2eb96 100644
--- a/lib/cache.js
+++ b/lib/cache.js
@@ -99,7 +99,7 @@ exp.info = function(callback) {
 exp.update_timestamp = function(rid, userId, hash, temp, callback) {
   logging.log(rid, "cache: updating timestamp");
   var sub = temp ? (config.local_cache_time - 60) : 0;
-  var time = new Date().getTime() - sub;
+  var time = Date.now() - sub;
   // store userId in lower case if not null
   userId = userId && userId.toLowerCase();
   redis.hmset(userId, "t", time, function(err) {
@@ -114,7 +114,7 @@ exp.update_timestamp = function(rid, userId, hash, temp, callback) {
 // +callback+ contans error
 exp.save_hash = function(rid, userId, skin_hash, cape_hash, callback) {
   logging.log(rid, "cache: saving skin:" + skin_hash + " cape:" + cape_hash);
-  var time = new Date().getTime();
+  var time = Date.now();
   // store shorter null byte instead of "null"
   skin_hash = (skin_hash === null ? "" : skin_hash);
   cape_hash = (cape_hash === null ? "" : cape_hash);
diff --git a/lib/helpers.js b/lib/helpers.js
index cea983b..de65da9 100644
--- a/lib/helpers.js
+++ b/lib/helpers.js
@@ -225,7 +225,7 @@ exp.get_image_hash = function(rid, userId, type, callback) {
     if (err) {
       callback(err, -1, null);
     } else {
-      if (cache_details && cache_details[type] !== undefined && cache_details.time + config.local_cache_time * 1000 >= new Date().getTime()) {
+      if (cache_details && cache_details[type] !== undefined && cache_details.time + config.local_cache_time * 1000 >= Date.now()) {
         // use cached image
         logging.log(rid, "userId cached & recently updated");
         callback(null, (cached_hash ? 1 : 0), cached_hash);