diff --git a/webpack/lib/audio-manager.js b/webpack/lib/audio-manager.js
index e5e56db..b0ab65f 100644
--- a/webpack/lib/audio-manager.js
+++ b/webpack/lib/audio-manager.js
@@ -55,6 +55,7 @@ export default class AudioManager{
 
 
 		/* (10) Manage websocket responses */
+		var self = this;
 		this.ws.onmessage = function(_msg){
 			console.warn(`received`, _msg.data);
 
@@ -64,9 +65,9 @@ export default class AudioManager{
 			let fr = new FileReader();
 
 			fr.onload = function(){
-				let buf16 = new Int16Array(fr.result);
-				this.receive(buf16).bind(this);
-			}.bind(this);
+				let buf16 = new Int16Array(this.result);
+				self.receive(buf16).bind(self);
+			};
 
 			fr.readAsArrayBuffer(_msg.data);