diff --git a/src/audio/PositionalAudio.js b/src/audio/PositionalAudio.js
index 4bb7d8c6d2af008ec7259dce1205c28ded924825..c1b9afcba645359cc9e97d9963f0b935cc013d74 100644
--- a/src/audio/PositionalAudio.js
+++ b/src/audio/PositionalAudio.js
@@ -12,6 +12,7 @@ function PositionalAudio( listener ) {
 	Audio.call( this, listener );
 
 	this.panner = this.context.createPanner();
+	this.panningModel = 'HRTF';
 	this.panner.connect( this.gain );
 
 }