diff --git a/src/mibew/js/compiled/chat/models/sound_managers/chat.js b/src/mibew/js/compiled/chat/models/sound_managers/chat.js
index 9e787f71..a1c22564 100644
--- a/src/mibew/js/compiled/chat/models/sound_managers/chat.js
+++ b/src/mibew/js/compiled/chat/models/sound_managers/chat.js
@@ -5,5 +5,5 @@
  You may obtain a copy of the License at
      http://www.apache.org/licenses/LICENSE-2.0
 */
-(function(a,c){a.Models.ChatSoundManager=a.Models.BaseSoundManager.extend({defaults:c.extend({},a.Models.BaseSoundManager.prototype.defaults,{skipNextMessageSound:!1}),initialize:function(){var b=a.Objects,c=this;b.Collections.messages.on("multiple:add",this.playNewMessageSound,this);b.Models.messageForm.on("before:post",function(){c.set({skipNextMessageSound:!0})})},playNewMessageSound:function(){if(!this.get("skipNextMessageSound")){var b=a.Objects.Models.page.get("mibewRoot");b&&this.play(b+"/sounds/new_message.wav")}this.set({skipNextMessageSound:!1})}})})(Mibew,
-_);
+(function(a,c){a.Models.ChatSoundManager=a.Models.BaseSoundManager.extend({defaults:c.extend({},a.Models.BaseSoundManager.prototype.defaults,{skipNextMessageSound:!1}),initialize:function(){var b=a.Objects,c=this;b.Collections.messages.on("multiple:add",this.playNewMessageSound,this);b.Models.messageForm.on("before:post",function(){c.set({skipNextMessageSound:!0})})},playNewMessageSound:function(){if(!this.get("skipNextMessageSound")){var b=a.Objects.Models.page.get("mibewRoot");"undefined"!==typeof b&&
+this.play(b+"/sounds/new_message.wav")}this.set({skipNextMessageSound:!1})}})})(Mibew,_);
diff --git a/src/mibew/js/compiled/chat_app.js b/src/mibew/js/compiled/chat_app.js
index 79afd5af..aa0fea56 100644
--- a/src/mibew/js/compiled/chat_app.js
+++ b/src/mibew/js/compiled/chat_app.js
@@ -125,8 +125,8 @@ a):a.trigger("submit:error",a,{code:b.errorCode,message:b.errorMessage||""})},!0
  You may obtain a copy of the License at
      http://www.apache.org/licenses/LICENSE-2.0
 */
-(function(a,c){a.Models.ChatSoundManager=a.Models.BaseSoundManager.extend({defaults:c.extend({},a.Models.BaseSoundManager.prototype.defaults,{skipNextMessageSound:!1}),initialize:function(){var b=a.Objects,c=this;b.Collections.messages.on("multiple:add",this.playNewMessageSound,this);b.Models.messageForm.on("before:post",function(){c.set({skipNextMessageSound:!0})})},playNewMessageSound:function(){if(!this.get("skipNextMessageSound")){var b=a.Objects.Models.page.get("mibewRoot");b&&this.play(b+"/sounds/new_message.wav")}this.set({skipNextMessageSound:!1})}})})(Mibew,
-_);
+(function(a,c){a.Models.ChatSoundManager=a.Models.BaseSoundManager.extend({defaults:c.extend({},a.Models.BaseSoundManager.prototype.defaults,{skipNextMessageSound:!1}),initialize:function(){var b=a.Objects,c=this;b.Collections.messages.on("multiple:add",this.playNewMessageSound,this);b.Models.messageForm.on("before:post",function(){c.set({skipNextMessageSound:!0})})},playNewMessageSound:function(){if(!this.get("skipNextMessageSound")){var b=a.Objects.Models.page.get("mibewRoot");"undefined"!==typeof b&&
+this.play(b+"/sounds/new_message.wav")}this.set({skipNextMessageSound:!1})}})})(Mibew,_);
 /*
  Copyright 2005-2014 the original author or authors.
  Licensed under the Apache License, Version 2.0 (the "License").
diff --git a/src/mibew/js/compiled/users/collection_views/threads_collection.js b/src/mibew/js/compiled/users/collection_views/threads_collection.js
index e4c1d572..e7d60a19 100644
--- a/src/mibew/js/compiled/users/collection_views/threads_collection.js
+++ b/src/mibew/js/compiled/users/collection_views/threads_collection.js
@@ -7,6 +7,6 @@
 */
 (function(d,h,j){d.Views.ThreadsCollection=d.Views.CompositeBase.extend({template:h.templates.threads_collection,itemView:d.Views.QueuedThread,itemViewContainer:"#threads-container",emptyView:d.Views.NoThreads,className:"threads-collection",collectionEvents:{sort:"render","sort:field":"createSortField",add:"threadAdded"},itemViewOptions:function(a){return{tagName:d.Objects.Models.page.get("threadTag"),collection:a.get("controls")}},initialize:function(){window.setInterval(j.bind(this.updateTimers,
 this),2E3);this.on("itemview:before:render",this.updateStyles,this);this.on("composite:collection:rendered",this.updateTimers,this)},updateStyles:function(a){var b=this.collection,c=a.model,d=this;if(c.id){var e=this.getQueueCode(c),f=!1,g=!1,b=b.filter(function(a){return d.getQueueCode(a)==e});0<b.length&&(g=b[0].id==c.id,f=b[b.length-1].id==c.id);if(0<a.lastStyles.length){c=0;for(b=a.lastStyles.length;c<b;c++)a.$el.removeClass(a.lastStyles[c]);a.lastStyles=[]}c=(e!=this.QUEUE_BAN?"in":"")+this.queueCodeToString(e);
-a.lastStyles.push(c);g&&a.lastStyles.push(c+"-first");f&&a.lastStyles.push(c+"-last");c=0;for(b=a.lastStyles.length;c<b;c++)a.$el.addClass(a.lastStyles[c])}},updateTimers:function(){d.Utils.updateTimers(this.$el,".timesince")},createSortField:function(a,b){var c=this.getQueueCode(a)||"Z";b.field=c.toString()+"_"+a.get("waitingTime").toString()},threadAdded:function(){var a=d.Objects.Models.page.get("mibewRoot");a&&d.Utils.playSound(a+"/sounds/new_user.wav");if(d.Objects.Models.page.get("showPopup"))this.once("render",
+a.lastStyles.push(c);g&&a.lastStyles.push(c+"-first");f&&a.lastStyles.push(c+"-last");c=0;for(b=a.lastStyles.length;c<b;c++)a.$el.addClass(a.lastStyles[c])}},updateTimers:function(){d.Utils.updateTimers(this.$el,".timesince")},createSortField:function(a,b){var c=this.getQueueCode(a)||"Z";b.field=c.toString()+"_"+a.get("waitingTime").toString()},threadAdded:function(){var a=d.Objects.Models.page.get("mibewRoot");"undefined"!==typeof a&&d.Utils.playSound(a+"/sounds/new_user.wav");if(d.Objects.Models.page.get("showPopup"))this.once("render",
 function(){alert(d.Localization.get("pending.popup_notification"))})},getQueueCode:function(a){var b=a.get("state");return!1!=a.get("ban")&&b!=a.STATE_CHATTING?this.QUEUE_BAN:b==a.STATE_QUEUE||b==a.STATE_LOADING?this.QUEUE_WAITING:b==a.STATE_CLOSED||b==a.STATE_LEFT?this.QUEUE_CLOSED:b==a.STATE_WAITING?this.QUEUE_PRIO:b==a.STATE_CHATTING?this.QUEUE_CHATTING:!1},queueCodeToString:function(a){return a==this.QUEUE_PRIO?"prio":a==this.QUEUE_WAITING?"wait":a==this.QUEUE_CHATTING?"chat":a==this.QUEUE_BAN?
 "ban":a==this.QUEUE_CLOSED?"closed":""},QUEUE_PRIO:1,QUEUE_WAITING:2,QUEUE_CHATTING:3,QUEUE_BAN:4,QUEUE_CLOSED:5})})(Mibew,Handlebars,_);
diff --git a/src/mibew/js/compiled/users_app.js b/src/mibew/js/compiled/users_app.js
index 9f321788..da6b7a8f 100644
--- a/src/mibew/js/compiled/users_app.js
+++ b/src/mibew/js/compiled/users_app.js
@@ -127,7 +127,7 @@ showTrack:function(){var b=this.model.id,c=a.Objects.Models.page;a.Popup.open(c.
 */
 (function(d,h,j){d.Views.ThreadsCollection=d.Views.CompositeBase.extend({template:h.templates.threads_collection,itemView:d.Views.QueuedThread,itemViewContainer:"#threads-container",emptyView:d.Views.NoThreads,className:"threads-collection",collectionEvents:{sort:"render","sort:field":"createSortField",add:"threadAdded"},itemViewOptions:function(a){return{tagName:d.Objects.Models.page.get("threadTag"),collection:a.get("controls")}},initialize:function(){window.setInterval(j.bind(this.updateTimers,
 this),2E3);this.on("itemview:before:render",this.updateStyles,this);this.on("composite:collection:rendered",this.updateTimers,this)},updateStyles:function(a){var b=this.collection,c=a.model,d=this;if(c.id){var e=this.getQueueCode(c),f=!1,g=!1,b=b.filter(function(a){return d.getQueueCode(a)==e});0<b.length&&(g=b[0].id==c.id,f=b[b.length-1].id==c.id);if(0<a.lastStyles.length){c=0;for(b=a.lastStyles.length;c<b;c++)a.$el.removeClass(a.lastStyles[c]);a.lastStyles=[]}c=(e!=this.QUEUE_BAN?"in":"")+this.queueCodeToString(e);
-a.lastStyles.push(c);g&&a.lastStyles.push(c+"-first");f&&a.lastStyles.push(c+"-last");c=0;for(b=a.lastStyles.length;c<b;c++)a.$el.addClass(a.lastStyles[c])}},updateTimers:function(){d.Utils.updateTimers(this.$el,".timesince")},createSortField:function(a,b){var c=this.getQueueCode(a)||"Z";b.field=c.toString()+"_"+a.get("waitingTime").toString()},threadAdded:function(){var a=d.Objects.Models.page.get("mibewRoot");a&&d.Utils.playSound(a+"/sounds/new_user.wav");if(d.Objects.Models.page.get("showPopup"))this.once("render",
+a.lastStyles.push(c);g&&a.lastStyles.push(c+"-first");f&&a.lastStyles.push(c+"-last");c=0;for(b=a.lastStyles.length;c<b;c++)a.$el.addClass(a.lastStyles[c])}},updateTimers:function(){d.Utils.updateTimers(this.$el,".timesince")},createSortField:function(a,b){var c=this.getQueueCode(a)||"Z";b.field=c.toString()+"_"+a.get("waitingTime").toString()},threadAdded:function(){var a=d.Objects.Models.page.get("mibewRoot");"undefined"!==typeof a&&d.Utils.playSound(a+"/sounds/new_user.wav");if(d.Objects.Models.page.get("showPopup"))this.once("render",
 function(){alert(d.Localization.get("pending.popup_notification"))})},getQueueCode:function(a){var b=a.get("state");return!1!=a.get("ban")&&b!=a.STATE_CHATTING?this.QUEUE_BAN:b==a.STATE_QUEUE||b==a.STATE_LOADING?this.QUEUE_WAITING:b==a.STATE_CLOSED||b==a.STATE_LEFT?this.QUEUE_CLOSED:b==a.STATE_WAITING?this.QUEUE_PRIO:b==a.STATE_CHATTING?this.QUEUE_CHATTING:!1},queueCodeToString:function(a){return a==this.QUEUE_PRIO?"prio":a==this.QUEUE_WAITING?"wait":a==this.QUEUE_CHATTING?"chat":a==this.QUEUE_BAN?
 "ban":a==this.QUEUE_CLOSED?"closed":""},QUEUE_PRIO:1,QUEUE_WAITING:2,QUEUE_CHATTING:3,QUEUE_BAN:4,QUEUE_CLOSED:5})})(Mibew,Handlebars,_);
 /*
diff --git a/src/mibew/js/source/chat/models/sound_managers/chat.js b/src/mibew/js/source/chat/models/sound_managers/chat.js
index c430c369..10440a0d 100644
--- a/src/mibew/js/source/chat/models/sound_managers/chat.js
+++ b/src/mibew/js/source/chat/models/sound_managers/chat.js
@@ -61,7 +61,7 @@
                 if (! this.get('skipNextMessageSound')) {
                     // Build sound path
                     var path = Mibew.Objects.Models.page.get('mibewRoot');
-                    if (path) {
+                    if (typeof path !== 'undefined') {
                         path += '/sounds/new_message.wav';
                         // Play sound
                         this.play(path);
diff --git a/src/mibew/js/source/users/collection_views/threads_collection.js b/src/mibew/js/source/users/collection_views/threads_collection.js
index 8a6aa120..50d05dce 100644
--- a/src/mibew/js/source/users/collection_views/threads_collection.js
+++ b/src/mibew/js/source/users/collection_views/threads_collection.js
@@ -156,7 +156,7 @@
             threadAdded: function() {
                 // Build sound path
                 var path = Mibew.Objects.Models.page.get('mibewRoot');
-                if (path) {
+                if (typeof path !== 'undefined') {
                     path += '/sounds/new_user.wav';
                     // Play sound
                     Mibew.Utils.playSound(path);