diff --git a/src/time/Timer.js b/src/time/Timer.js
index 410c41bf..e41acc61 100644
--- a/src/time/Timer.js
+++ b/src/time/Timer.js
@@ -327,7 +327,7 @@ Phaser.Timer.prototype = {
         {
             this._i = 0;
 
-            while (this._i < this._len)
+            while (this._i < this._len && this.running)
             {
                 if (this._now >= this.events[this._i].tick)
                 {