diff --git a/MediaBrowser.Model/System/SystemInfo.cs b/MediaBrowser.Model/System/SystemInfo.cs
index e605a5daa7..959ec44c8b 100644
--- a/MediaBrowser.Model/System/SystemInfo.cs
+++ b/MediaBrowser.Model/System/SystemInfo.cs
@@ -72,7 +72,13 @@ namespace MediaBrowser.Model.System
         /// </summary>
         /// <value>The program data path.</value>
         public string ProgramDataPath { get; set; }
-        
+
+        /// <summary>
+        /// Gets or sets the HTTP server port number.
+        /// </summary>
+        /// <value>The HTTP server port number.</value>
+        public int HttpServerPortNumber { get; set; }
+
         /// <summary>
         /// Initializes a new instance of the <see cref="SystemInfo"/> class.
         /// </summary>
diff --git a/MediaBrowser.ServerApplication/ApplicationHost.cs b/MediaBrowser.ServerApplication/ApplicationHost.cs
index 61bf0a0d14..3224205451 100644
--- a/MediaBrowser.ServerApplication/ApplicationHost.cs
+++ b/MediaBrowser.ServerApplication/ApplicationHost.cs
@@ -607,7 +607,8 @@ namespace MediaBrowser.ServerApplication
                 CompletedInstallations = InstallationManager.CompletedInstallations.ToArray(),
                 Id = _systemId,
                 ProgramDataPath = ApplicationPaths.ProgramDataPath,
-                MacAddress = GetMacAddress()
+                MacAddress = GetMacAddress(),
+                HttpServerPortNumber = ServerConfigurationManager.Configuration.HttpServerPortNumber
             };
         }
 
diff --git a/MediaBrowser.WebDashboard/ApiClient.js b/MediaBrowser.WebDashboard/ApiClient.js
index af785eb3e8..4bdd3f7795 100644
--- a/MediaBrowser.WebDashboard/ApiClient.js
+++ b/MediaBrowser.WebDashboard/ApiClient.js
@@ -20,9 +20,6 @@ MediaBrowser.ApiClient = function ($, navigator, JSON, WebSocket, setTimeout) {
         if (!serverHostName) {
             throw new Error("Must supply serverHostName, e.g. 192.168.1.1 or myServerName");
         }
-        if (!serverPortNumber) {
-            throw new Error("Must supply a serverPortNumber");
-        }
 
         var self = this;
         var deviceName = "Web Browser";
@@ -38,14 +35,6 @@ MediaBrowser.ApiClient = function ($, navigator, JSON, WebSocket, setTimeout) {
             return serverHostName;
         };
 
-        /**
-         * Gets the server port number.
-         */
-        self.serverPortNumber = function () {
-
-            return serverPortNumber;
-        };
-
         /**
          * Gets or sets the current user id.
          */
@@ -152,7 +141,13 @@ MediaBrowser.ApiClient = function ($, navigator, JSON, WebSocket, setTimeout) {
                 throw new Error("Url name cannot be empty");
             }
 
-            var url = serverProtocol + "//" + serverHostName + ":" + serverPortNumber + "/mediabrowser/" + name;
+            var url = serverProtocol + "//" + serverHostName;
+
+            if (serverPortNumber) {
+                url += ":" + serverPortNumber;
+            }
+
+            url += "/mediabrowser/" + name;
 
             if (params) {
                 url += "?" + $.param(params);
@@ -3384,7 +3379,7 @@ MediaBrowser.ApiClient = function ($, navigator, JSON, WebSocket, setTimeout) {
 
                 var deferred = $.Deferred();
 
-                var  msgData = itemId + "|" + (positionTicks == null ? "" : positionTicks) + "|" + (isPaused == null ? "" : isPaused) + "|" + (isMuted == null ? "" : isMuted);
+                var msgData = itemId + "|" + (positionTicks == null ? "" : positionTicks) + "|" + (isPaused == null ? "" : isPaused) + "|" + (isMuted == null ? "" : isMuted);
 
                 self.sendWebSocketMessage("PlaybackProgress", msgData);
 
diff --git a/MediaBrowser.WebDashboard/packages.config b/MediaBrowser.WebDashboard/packages.config
index 395c46b566..f111dfc5aa 100644
--- a/MediaBrowser.WebDashboard/packages.config
+++ b/MediaBrowser.WebDashboard/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="MediaBrowser.ApiClient.Javascript" version="3.0.170" targetFramework="net45" />
+  <package id="MediaBrowser.ApiClient.Javascript" version="3.0.171" targetFramework="net45" />
   <package id="ServiceStack.Common" version="3.9.58" targetFramework="net45" />
   <package id="ServiceStack.Text" version="3.9.58" targetFramework="net45" />
 </packages>
\ No newline at end of file