diff --git a/src/sound/webaudio/WebAudioSound.js b/src/sound/webaudio/WebAudioSound.js
index d6ea0079c..0fa3bfa78 100644
--- a/src/sound/webaudio/WebAudioSound.js
+++ b/src/sound/webaudio/WebAudioSound.js
@@ -443,7 +443,8 @@ var WebAudioSound = new Class({
      * @param {number} time - The current timestamp as generated by the Request Animation Frame or SetTimeout.
      * @param {number} delta - The delta time elapsed since the last frame.
      */
-    update: function ()
+    // eslint-disable-next-line no-unused-vars
+    update: function (time, delta)
     {
         if (this.hasEnded)
         {