diff --git a/src/Orchard.Web/Modules/Orchard.Azure.MediaServices/Models/Assets/EncoderMetadata/AssetFile.cs b/src/Orchard.Web/Modules/Orchard.Azure.MediaServices/Models/Assets/EncoderMetadata/AssetFile.cs
index 620619c26..aa35d2e7e 100644
--- a/src/Orchard.Web/Modules/Orchard.Azure.MediaServices/Models/Assets/EncoderMetadata/AssetFile.cs
+++ b/src/Orchard.Web/Modules/Orchard.Azure.MediaServices/Models/Assets/EncoderMetadata/AssetFile.cs
@@ -6,6 +6,7 @@ using System.Xml.Linq;
 using System.Xml.XPath;
 using Orchard.FileSystems.Media;
 using Orchard.Azure.MediaServices.Helpers;
+using Newtonsoft.Json;
 
 namespace Orchard.Azure.MediaServices.Models.Assets.EncoderMetadata {
     public class AssetFile {
@@ -120,6 +121,7 @@ namespace Orchard.Azure.MediaServices.Models.Assets.EncoderMetadata {
         /// <summary>
         /// A direct URL to download the asset file using a private locator.
         /// </summary>
+        [JsonIgnore]
         public string PrivateUrl {
             get {
                 if (!String.IsNullOrEmpty(_parentMetadata.PrivateLocatorUrl)) {
diff --git a/src/Orchard.Web/Modules/Orchard.Azure.MediaServices/Models/Assets/EncoderMetadata/Metadata.cs b/src/Orchard.Web/Modules/Orchard.Azure.MediaServices/Models/Assets/EncoderMetadata/Metadata.cs
index 03d489ce3..6045fee5f 100644
--- a/src/Orchard.Web/Modules/Orchard.Azure.MediaServices/Models/Assets/EncoderMetadata/Metadata.cs
+++ b/src/Orchard.Web/Modules/Orchard.Azure.MediaServices/Models/Assets/EncoderMetadata/Metadata.cs
@@ -1,12 +1,11 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Linq;
-using System.Web;
 using System.Xml;
 using System.Xml.Linq;
 using System.Xml.XPath;
 using Orchard.FileSystems.Media;
 using Orchard.Azure.MediaServices.Helpers;
+using Newtonsoft.Json;
 
 namespace Orchard.Azure.MediaServices.Models.Assets.EncoderMetadata {
     public class Metadata {
@@ -46,6 +45,7 @@ namespace Orchard.Azure.MediaServices.Models.Assets.EncoderMetadata {
             }
         }
 
+        [JsonIgnore]
         public string PrivateLocatorUrl {
             get {
                 return _privateLocatorUrl;