diff --git a/client/controls.js b/client/controls.js
index 7142e45..3c74615 100644
--- a/client/controls.js
+++ b/client/controls.js
@@ -159,7 +159,7 @@ Controls.prototype.msgCountdown = function(evt) {
 
     const { duration, timestamp } = evt.detail.body;
 
-    const now = new Date().getTime();
+    const now = Date.now();
     const diff = Math.ceil((now - timestamp) / 1000);
     const remaining = duration - diff;
 
diff --git a/server/ricochet.js b/server/ricochet.js
index 12af0e2..dd971f5 100644
--- a/server/ricochet.js
+++ b/server/ricochet.js
@@ -304,7 +304,7 @@ Ricochet.prototype.msgSolve = function(message) {
     clearTimeout(this.countdownTimer);
 
     this.countdownTimer = setTimeout(this.onCountdownComplete.bind(this), this.countdownDuration * 1000);
-    this.countdownTimestamp = new Date().now();
+    this.countdownTimestamp = Date.now();
 
     this.state = STATE.COUNTDOWN;