diff --git a/lib/stomp.js b/lib/stomp.js
index a36ee55..1f6713f 100644
--- a/lib/stomp.js
+++ b/lib/stomp.js
@@ -433,7 +433,7 @@
         protocols = ['v10.stomp', 'v11.stomp'];
       }
       klass = Stomp.WebSocketClass || WebSocket;
-      ws = new klass(url, protocols);
+      ws = new klass(url);
       return new Client(ws);
     },
     over: function(ws) {
diff --git a/lib/stomp.min.js b/lib/stomp.min.js
index f964d7e..18dd04a 100644
--- a/lib/stomp.min.js
+++ b/lib/stomp.min.js
@@ -5,4 +5,4 @@
    Copyright (C) 2010-2013 [Jeff Mesnil](http://jmesnil.net/)
    Copyright (C) 2012 [FuseSource, Inc.](http://fusesource.com)
 */
-!function(){var t,e,n,i,r={}.hasOwnProperty,o=[].slice;t={LF:"\n",NULL:"\0"};n=function(){var e;function n(t,e,n){this.command=t;this.headers=e!=null?e:{};this.body=n!=null?n:""}n.prototype.toString=function(){var e,n,i,o;e=[this.command];o=this.headers;for(n in o){if(!r.call(o,n))continue;i=o[n];e.push(""+n+":"+i)}if(this.body){e.push("content-length:"+(""+this.body).length)}e.push(t.LF+this.body);return e.join(t.LF)};e=function(e){var i,r,o,s,u,a,c,f,h,l,p,d,g,b,m,v,y;s=e.search(RegExp(""+t.LF+t.LF));u=e.substring(0,s).split(t.LF);o=u.shift();a={};d=function(t){return t.replace(/^\s+|\s+$/g,"")};v=u.reverse();for(g=0,m=v.length;g<m;g++){l=v[g];f=l.indexOf(":");a[d(l.substring(0,f))]=d(l.substring(f+1))}i="";p=s+2;if(a["content-length"]){h=parseInt(a["content-length"]);i=(""+e).substring(p,p+h)}else{r=null;for(c=b=p,y=e.length;p<=y?b<y:b>y;c=p<=y?++b:--b){r=e.charAt(c);if(r===t.NULL){break}i+=r}}return new n(o,a,i)};n.unmarshall=function(n){var i;return function(){var r,o,s,u;s=n.split(RegExp(""+t.NULL+t.LF+"*"));u=[];for(r=0,o=s.length;r<o;r++){i=s[r];if((i!=null?i.length:void 0)>0){u.push(e(i))}}return u}()};n.marshall=function(e,i,r){var o;o=new n(e,i,r);return o.toString()+t.NULL};return n}();e=function(){var e;function r(t){this.ws=t;this.ws.binaryType="arraybuffer";this.counter=0;this.connected=false;this.heartbeat={outgoing:1e4,incoming:1e4};this.maxWebSocketFrameSize=16*1024;this.subscriptions={}}r.prototype.debug=function(t){var e;return typeof window!=="undefined"&&window!==null?(e=window.console)!=null?e.log(t):void 0:void 0};e=function(){return Date.now||(new Date).valueOf};r.prototype._transmit=function(t,e,i){var r;r=n.marshall(t,e,i);if(typeof this.debug==="function"){this.debug(">>> "+r)}while(true){if(r.length>this.maxWebSocketFrameSize){this.ws.send(r.substring(0,this.maxWebSocketFrameSize));r=r.substring(this.maxWebSocketFrameSize);if(typeof this.debug==="function"){this.debug("remaining = "+r.length)}}else{return this.ws.send(r)}}};r.prototype._setupHeartbeat=function(n){var r,o,s,u,a,c,f=this;if((a=n.version)!==i.VERSIONS.V1_1&&a!==i.VERSIONS.V1_2){return}c=function(){var t,e,i,r;i=n["heart-beat"].split(",");r=[];for(t=0,e=i.length;t<e;t++){u=i[t];r.push(parseInt(u))}return r}(),o=c[0],r=c[1];if(!(this.heartbeat.outgoing===0||r===0)){s=Math.max(this.heartbeat.outgoing,r);if(typeof this.debug==="function"){this.debug("send PING every "+s+"ms")}this.pinger=i.setInterval(s,function(){f.ws.send(t.LF);return typeof f.debug==="function"?f.debug(">>> PING"):void 0})}if(!(this.heartbeat.incoming===0||o===0)){s=Math.max(this.heartbeat.incoming,o);if(typeof this.debug==="function"){this.debug("check PONG every "+s+"ms")}return this.ponger=i.setInterval(s,function(){var t;t=e()-f.serverActivity;if(t>s*2){if(typeof f.debug==="function"){f.debug("did not receive server activity for the last "+t+"ms")}return f.ws.close()}})}};r.prototype._parseConnect=function(){var t,e,n,i;t=1<=arguments.length?o.call(arguments,0):[];i={};switch(t.length){case 2:i=t[0],e=t[1];break;case 3:if(t[1]instanceof Function){i=t[0],e=t[1],n=t[2]}else{i.login=t[0],i.passcode=t[1],e=t[2]}break;case 4:i.login=t[0],i.passcode=t[1],e=t[2],n=t[3];break;default:i.login=t[0],i.passcode=t[1],e=t[2],n=t[3],i.host=t[4]}return[i,e,n]};r.prototype.connect=function(){var r,s,u,a,c=this;r=1<=arguments.length?o.call(arguments,0):[];a=this._parseConnect.apply(this,r);u=a[0],this.connectCallback=a[1],s=a[2];if(typeof this.debug==="function"){this.debug("Opening Web Socket...")}this.ws.onmessage=function(i){var r,o,u,a,f,h,l,p,d,g,b,m;a=typeof ArrayBuffer!=="undefined"&&i.data instanceof ArrayBuffer?(r=new Uint8Array(i.data),typeof c.debug==="function"?c.debug("--- got data length: "+r.length):void 0,function(){var t,e,n;n=[];for(t=0,e=r.length;t<e;t++){o=r[t];n.push(String.fromCharCode(o))}return n}().join("")):i.data;c.serverActivity=e();if(a===t.LF){if(typeof c.debug==="function"){c.debug("<<< PONG")}return}if(typeof c.debug==="function"){c.debug("<<< "+a)}b=n.unmarshall(a);m=[];for(d=0,g=b.length;d<g;d++){f=b[d];switch(f.command){case"CONNECTED":if(typeof c.debug==="function"){c.debug("connected to server "+f.headers.server)}c.connected=true;c._setupHeartbeat(f.headers);m.push(typeof c.connectCallback==="function"?c.connectCallback(f):void 0);break;case"MESSAGE":p=f.headers.subscription;l=c.subscriptions[p]||c.onreceive;if(l){u=c;h=f.headers["message-id"];f.ack=function(t){if(t==null){t={}}return u.ack(h,p,t)};f.nack=function(t){if(t==null){t={}}return u.nack(h,p,t)};m.push(l(f))}else{m.push(typeof c.debug==="function"?c.debug("Unhandled received MESSAGE: "+f):void 0)}break;case"RECEIPT":m.push(typeof c.onreceipt==="function"?c.onreceipt(f):void 0);break;case"ERROR":m.push(typeof s==="function"?s(f):void 0);break;default:m.push(typeof c.debug==="function"?c.debug("Unhandled frame: "+f):void 0)}}return m};this.ws.onclose=function(){var t;t="Whoops! Lost connection to "+c.ws.url;if(typeof c.debug==="function"){c.debug(t)}c._cleanUp();return typeof s==="function"?s(t):void 0};return this.ws.onopen=function(){if(typeof c.debug==="function"){c.debug("Web Socket Opened...")}u["accept-version"]=i.VERSIONS.supportedVersions();u["heart-beat"]=[c.heartbeat.outgoing,c.heartbeat.incoming].join(",");return c._transmit("CONNECT",u)}};r.prototype.disconnect=function(t){this._transmit("DISCONNECT");this.ws.onclose=null;this.ws.close();this._cleanUp();return typeof t==="function"?t():void 0};r.prototype._cleanUp=function(){this.connected=false;if(this.pinger){i.clearInterval(this.pinger)}if(this.ponger){return i.clearInterval(this.ponger)}};r.prototype.send=function(t,e,n){if(e==null){e={}}if(n==null){n=""}e.destination=t;return this._transmit("SEND",e,n)};r.prototype.subscribe=function(t,e,n){var i;if(n==null){n={}}if(!n.id){n.id="sub-"+this.counter++}n.destination=t;this.subscriptions[n.id]=e;this._transmit("SUBSCRIBE",n);i=this;return{id:n.id,unsubscribe:function(){return i.unsubscribe(n.id)}}};r.prototype.unsubscribe=function(t){delete this.subscriptions[t];return this._transmit("UNSUBSCRIBE",{id:t})};r.prototype.begin=function(t){var e,n;n=t||"tx-"+this.counter++;this._transmit("BEGIN",{transaction:n});e=this;return{id:n,commit:function(){return e.commit(n)},abort:function(){return e.abort(n)}}};r.prototype.commit=function(t){return this._transmit("COMMIT",{transaction:t})};r.prototype.abort=function(t){return this._transmit("ABORT",{transaction:t})};r.prototype.ack=function(t,e,n){if(n==null){n={}}n["message-id"]=t;n.subscription=e;return this._transmit("ACK",n)};r.prototype.nack=function(t,e,n){if(n==null){n={}}n["message-id"]=t;n.subscription=e;return this._transmit("NACK",n)};return r}();i={VERSIONS:{V1_0:"1.0",V1_1:"1.1",V1_2:"1.2",supportedVersions:function(){return"1.1,1.0"}},client:function(t,n){var r,o;if(n==null){n=["v10.stomp","v11.stomp"]}r=i.WebSocketClass||WebSocket;o=new r(t,n);return new e(o)},over:function(t){return new e(t)},Frame:n};if(typeof window!=="undefined"&&window!==null){i.setInterval=function(t,e){return window.setInterval(e,t)};i.clearInterval=function(t){return window.clearInterval(t)};window.Stomp=i}else if(typeof exports!=="undefined"&&exports!==null){exports.Stomp=i}else{self.Stomp=i}}.call(this);
\ No newline at end of file
+(function(){var t,e,n,i,r={}.hasOwnProperty,o=[].slice;t={LF:"\n",NULL:"\x00"};n=function(){var e;function n(t,e,n){this.command=t;this.headers=e!=null?e:{};this.body=n!=null?n:""}n.prototype.toString=function(){var e,n,i,o;e=[this.command];o=this.headers;for(n in o){if(!r.call(o,n))continue;i=o[n];e.push(""+n+":"+i)}if(this.body){e.push("content-length:"+(""+this.body).length)}e.push(t.LF+this.body);return e.join(t.LF)};e=function(e){var i,r,o,s,u,a,c,f,h,l,p,d,g,b,m,v,y;s=e.search(RegExp(""+t.LF+t.LF));u=e.substring(0,s).split(t.LF);o=u.shift();a={};d=function(t){return t.replace(/^\s+|\s+$/g,"")};v=u.reverse();for(g=0,m=v.length;g<m;g++){l=v[g];f=l.indexOf(":");a[d(l.substring(0,f))]=d(l.substring(f+1))}i="";p=s+2;if(a["content-length"]){h=parseInt(a["content-length"]);i=(""+e).substring(p,p+h)}else{r=null;for(c=b=p,y=e.length;p<=y?b<y:b>y;c=p<=y?++b:--b){r=e.charAt(c);if(r===t.NULL){break}i+=r}}return new n(o,a,i)};n.unmarshall=function(n){var i;return function(){var r,o,s,u;s=n.split(RegExp(""+t.NULL+t.LF+"*"));u=[];for(r=0,o=s.length;r<o;r++){i=s[r];if((i!=null?i.length:void 0)>0){u.push(e(i))}}return u}()};n.marshall=function(e,i,r){var o;o=new n(e,i,r);return o.toString()+t.NULL};return n}();e=function(){var e;function r(t){this.ws=t;this.ws.binaryType="arraybuffer";this.counter=0;this.connected=false;this.heartbeat={outgoing:1e4,incoming:1e4};this.maxWebSocketFrameSize=16*1024;this.subscriptions={}}r.prototype.debug=function(t){var e;return typeof window!=="undefined"&&window!==null?(e=window.console)!=null?e.log(t):void 0:void 0};e=function(){return Date.now||(new Date).valueOf};r.prototype._transmit=function(t,e,i){var r;r=n.marshall(t,e,i);if(typeof this.debug==="function"){this.debug(">>> "+r)}while(true){if(r.length>this.maxWebSocketFrameSize){this.ws.send(r.substring(0,this.maxWebSocketFrameSize));r=r.substring(this.maxWebSocketFrameSize);if(typeof this.debug==="function"){this.debug("remaining = "+r.length)}}else{return this.ws.send(r)}}};r.prototype._setupHeartbeat=function(n){var r,o,s,u,a,c,f=this;if((a=n.version)!==i.VERSIONS.V1_1&&a!==i.VERSIONS.V1_2){return}c=function(){var t,e,i,r;i=n["heart-beat"].split(",");r=[];for(t=0,e=i.length;t<e;t++){u=i[t];r.push(parseInt(u))}return r}(),o=c[0],r=c[1];if(!(this.heartbeat.outgoing===0||r===0)){s=Math.max(this.heartbeat.outgoing,r);if(typeof this.debug==="function"){this.debug("send PING every "+s+"ms")}this.pinger=i.setInterval(s,function(){f.ws.send(t.LF);return typeof f.debug==="function"?f.debug(">>> PING"):void 0})}if(!(this.heartbeat.incoming===0||o===0)){s=Math.max(this.heartbeat.incoming,o);if(typeof this.debug==="function"){this.debug("check PONG every "+s+"ms")}return this.ponger=i.setInterval(s,function(){var t;t=e()-f.serverActivity;if(t>s*2){if(typeof f.debug==="function"){f.debug("did not receive server activity for the last "+t+"ms")}return f.ws.close()}})}};r.prototype._parseConnect=function(){var t,e,n,i;t=1<=arguments.length?o.call(arguments,0):[];i={};switch(t.length){case 2:i=t[0],e=t[1];break;case 3:if(t[1]instanceof Function){i=t[0],e=t[1],n=t[2]}else{i.login=t[0],i.passcode=t[1],e=t[2]}break;case 4:i.login=t[0],i.passcode=t[1],e=t[2],n=t[3];break;default:i.login=t[0],i.passcode=t[1],e=t[2],n=t[3],i.host=t[4]}return[i,e,n]};r.prototype.connect=function(){var r,s,u,a,c=this;r=1<=arguments.length?o.call(arguments,0):[];a=this._parseConnect.apply(this,r);u=a[0],this.connectCallback=a[1],s=a[2];if(typeof this.debug==="function"){this.debug("Opening Web Socket...")}this.ws.onmessage=function(i){var r,o,u,a,f,h,l,p,d,g,b,m;a=typeof ArrayBuffer!=="undefined"&&i.data instanceof ArrayBuffer?(r=new Uint8Array(i.data),typeof c.debug==="function"?c.debug("--- got data length: "+r.length):void 0,function(){var t,e,n;n=[];for(t=0,e=r.length;t<e;t++){o=r[t];n.push(String.fromCharCode(o))}return n}().join("")):i.data;c.serverActivity=e();if(a===t.LF){if(typeof c.debug==="function"){c.debug("<<< PONG")}return}if(typeof c.debug==="function"){c.debug("<<< "+a)}b=n.unmarshall(a);m=[];for(d=0,g=b.length;d<g;d++){f=b[d];switch(f.command){case"CONNECTED":if(typeof c.debug==="function"){c.debug("connected to server "+f.headers.server)}c.connected=true;c._setupHeartbeat(f.headers);m.push(typeof c.connectCallback==="function"?c.connectCallback(f):void 0);break;case"MESSAGE":p=f.headers.subscription;l=c.subscriptions[p]||c.onreceive;if(l){u=c;h=f.headers["message-id"];f.ack=function(t){if(t==null){t={}}return u.ack(h,p,t)};f.nack=function(t){if(t==null){t={}}return u.nack(h,p,t)};m.push(l(f))}else{m.push(typeof c.debug==="function"?c.debug("Unhandled received MESSAGE: "+f):void 0)}break;case"RECEIPT":m.push(typeof c.onreceipt==="function"?c.onreceipt(f):void 0);break;case"ERROR":m.push(typeof s==="function"?s(f):void 0);break;default:m.push(typeof c.debug==="function"?c.debug("Unhandled frame: "+f):void 0)}}return m};this.ws.onclose=function(){var t;t="Whoops! Lost connection to "+c.ws.url;if(typeof c.debug==="function"){c.debug(t)}c._cleanUp();return typeof s==="function"?s(t):void 0};return this.ws.onopen=function(){if(typeof c.debug==="function"){c.debug("Web Socket Opened...")}u["accept-version"]=i.VERSIONS.supportedVersions();u["heart-beat"]=[c.heartbeat.outgoing,c.heartbeat.incoming].join(",");return c._transmit("CONNECT",u)}};r.prototype.disconnect=function(t){this._transmit("DISCONNECT");this.ws.onclose=null;this.ws.close();this._cleanUp();return typeof t==="function"?t():void 0};r.prototype._cleanUp=function(){this.connected=false;if(this.pinger){i.clearInterval(this.pinger)}if(this.ponger){return i.clearInterval(this.ponger)}};r.prototype.send=function(t,e,n){if(e==null){e={}}if(n==null){n=""}e.destination=t;return this._transmit("SEND",e,n)};r.prototype.subscribe=function(t,e,n){var i;if(n==null){n={}}if(!n.id){n.id="sub-"+this.counter++}n.destination=t;this.subscriptions[n.id]=e;this._transmit("SUBSCRIBE",n);i=this;return{id:n.id,unsubscribe:function(){return i.unsubscribe(n.id)}}};r.prototype.unsubscribe=function(t){delete this.subscriptions[t];return this._transmit("UNSUBSCRIBE",{id:t})};r.prototype.begin=function(t){var e,n;n=t||"tx-"+this.counter++;this._transmit("BEGIN",{transaction:n});e=this;return{id:n,commit:function(){return e.commit(n)},abort:function(){return e.abort(n)}}};r.prototype.commit=function(t){return this._transmit("COMMIT",{transaction:t})};r.prototype.abort=function(t){return this._transmit("ABORT",{transaction:t})};r.prototype.ack=function(t,e,n){if(n==null){n={}}n["message-id"]=t;n.subscription=e;return this._transmit("ACK",n)};r.prototype.nack=function(t,e,n){if(n==null){n={}}n["message-id"]=t;n.subscription=e;return this._transmit("NACK",n)};return r}();i={VERSIONS:{V1_0:"1.0",V1_1:"1.1",V1_2:"1.2",supportedVersions:function(){return"1.1,1.0"}},client:function(t,n){var r,o;if(n==null){n=["v10.stomp","v11.stomp"]}r=i.WebSocketClass||WebSocket;o=new r(t,n);return new e(o)},over:function(t){return new e(t)},Frame:n};if(typeof window!=="undefined"&&window!==null){i.setInterval=function(t,e){return window.setInterval(e,t)};i.clearInterval=function(t){return window.clearInterval(t)};window.Stomp=i}else if(typeof exports!=="undefined"&&exports!==null){exports.Stomp=i}else{self.Stomp=i}}).call(this);
\ No newline at end of file
diff --git a/src/stomp.coffee b/src/stomp.coffee
index 5dfdfb5..14ecd40 100644
--- a/src/stomp.coffee
+++ b/src/stomp.coffee
@@ -131,11 +131,11 @@ class Client
   #     };
   debug: (message) ->
     window?.console?.log message
-      
+
   # Utility method to get the current timestamp (Date.now is not defined in IE8)
   now= ->
     Date.now || new Date().valueOf
-  
+
   # Base method to transmit any stomp frame
   _transmit: (command, headers, body) ->
     out = Frame.marshall(command, headers, body)
@@ -362,7 +362,7 @@ class Client
       abort: ->
         client.abort txid
     }
-  
+
   # [COMMIT Frame](http://stomp.github.com/stomp-specification-1.1.html#COMMIT)
   #
   # * `transaction` is MANDATORY.
@@ -377,7 +377,7 @@ class Client
     @_transmit "COMMIT", {
       transaction: transaction
     }
-  
+
   # [ABORT Frame](http://stomp.github.com/stomp-specification-1.1.html#ABORT)
   #
   # * `transaction` is MANDATORY.
@@ -392,7 +392,7 @@ class Client
     @_transmit "ABORT", {
       transaction: transaction
     }
-  
+
   # [ACK Frame](http://stomp.github.com/stomp-specification-1.1.html#ACK)
   #
   # * `messageID` & `subscription` are MANDATORY.
@@ -459,7 +459,7 @@ Stomp =
     # This hack is deprecated and  `Stomp.over()` method should be used
     # instead.
     klass = Stomp.WebSocketClass || WebSocket
-    ws = new klass(url, protocols)
+    ws = new klass(url)
     new Client ws
 
   # This method is an alternative to `Stomp.client()` to let the user