diff --git a/NzbDrone.Core.Test/ProviderTests/ReferenceDataProviderTest.cs b/NzbDrone.Core.Test/ProviderTests/ReferenceDataProviderTest.cs
index d61b52d7c..22b71b9e0 100644
--- a/NzbDrone.Core.Test/ProviderTests/ReferenceDataProviderTest.cs
+++ b/NzbDrone.Core.Test/ProviderTests/ReferenceDataProviderTest.cs
@@ -20,14 +20,16 @@ namespace NzbDrone.Core.Test.ProviderTests
     // ReSharper disable InconsistentNaming
     public class ReferenceDataProviderTest : CoreTest
     {
-        private string validSeriesIds = String.Format("1,Test{0}2,Test{0}3,Test{0}4,Test{0}5,Test", Environment.NewLine);
-        private string invalidSeriesIds = String.Format("1,Test{0}2,Test{0}NaN,Test{0}4,Test{0}5,Test", Environment.NewLine);
+        private const string validSeriesIds = "[1,2,3,4,5]";
+        private const string invalidSeriesIds = "[1,2,NaN,4,5]";
+
+        private const string url = "http://services.nzbdrone.com/DailySeries/AllIds";
 
         [Test]
         public void GetDailySeriesIds_should_return_list_of_int_when_all_are_valid()
         {
             //Setup
-            Mocker.GetMock<HttpProvider>().Setup(s => s.DownloadString("http://www.nzbdrone.com/DailySeries.csv"))
+            Mocker.GetMock<HttpProvider>().Setup(s => s.DownloadString(url))
                     .Returns(validSeriesIds);
 
             //Act
@@ -38,24 +40,25 @@ public void GetDailySeriesIds_should_return_list_of_int_when_all_are_valid()
         }
 
         [Test]
-        public void GetDailySeriesIds_should_return_list_of_int_when_any_are_valid()
+        public void GetDailySeriesIds_should_return_empty_list_when_unable_to_parse()
         {
             //Setup
-            Mocker.GetMock<HttpProvider>().Setup(s => s.DownloadString("http://www.nzbdrone.com/DailySeries.csv"))
+            Mocker.GetMock<HttpProvider>().Setup(s => s.DownloadString(url))
                     .Returns(invalidSeriesIds);
 
             //Act
             var result = Mocker.Resolve<ReferenceDataProvider>().GetDailySeriesIds();
 
             //Assert
-            result.Should().HaveCount(4);
+            result.Should().BeEmpty();
+            ExceptionVerification.ExpectedWarns(1);
         }
 
         [Test]
         public void GetDailySeriesIds_should_return_empty_list_of_int_when_server_is_unavailable()
         {
             //Setup
-            Mocker.GetMock<HttpProvider>().Setup(s => s.DownloadString("http://www.nzbdrone.com/DailySeries.csv"))
+            Mocker.GetMock<HttpProvider>().Setup(s => s.DownloadString(url))
                     .Throws(new Exception());
 
             //Act
@@ -70,7 +73,7 @@ public void GetDailySeriesIds_should_return_empty_list_of_int_when_server_is_una
         public void IsDailySeries_should_return_true()
         {
             //Setup
-            Mocker.GetMock<HttpProvider>().Setup(s => s.DownloadString("http://www.nzbdrone.com/DailySeries.csv"))
+            Mocker.GetMock<HttpProvider>().Setup(s => s.DownloadString(url))
                     .Returns(validSeriesIds);
 
             //Act
@@ -84,7 +87,7 @@ public void IsDailySeries_should_return_true()
         public void IsDailySeries_should_return_false()
         {
             //Setup
-            Mocker.GetMock<HttpProvider>().Setup(s => s.DownloadString("http://www.nzbdrone.com/DailySeries.csv"))
+            Mocker.GetMock<HttpProvider>().Setup(s => s.DownloadString(url))
                     .Returns(validSeriesIds);
 
             //Act
@@ -107,7 +110,7 @@ public void UpdateDailySeries_should_update_series_that_match_daily_series_list(
             Db.InsertMany(fakeSeries);
 
             //Setup
-            Mocker.GetMock<HttpProvider>().Setup(s => s.DownloadString("http://www.nzbdrone.com/DailySeries.csv"))
+            Mocker.GetMock<HttpProvider>().Setup(s => s.DownloadString(url))
                     .Returns(validSeriesIds);
 
             //Act
@@ -138,7 +141,7 @@ public void UpdateDailySeries_should_update_series_should_skip_series_that_dont_
             Db.InsertMany(fakeSeries);
 
             //Setup
-            Mocker.GetMock<HttpProvider>().Setup(s => s.DownloadString("http://www.nzbdrone.com/DailySeries.csv"))
+            Mocker.GetMock<HttpProvider>().Setup(s => s.DownloadString(url))
                     .Returns(validSeriesIds);
 
             //Act
@@ -171,7 +174,7 @@ public void UpdateDailySeries_should_update_series_should_not_overwrite_existing
             Db.InsertMany(fakeSeries);
 
             //Setup
-            Mocker.GetMock<HttpProvider>().Setup(s => s.DownloadString("http://www.nzbdrone.com/DailySeries.csv"))
+            Mocker.GetMock<HttpProvider>().Setup(s => s.DownloadString(url))
                     .Returns(validSeriesIds);
 
             //Act
diff --git a/NzbDrone.Core/Providers/ReferenceDataProvider.cs b/NzbDrone.Core/Providers/ReferenceDataProvider.cs
index 42889e228..a3cfb9a29 100644
--- a/NzbDrone.Core/Providers/ReferenceDataProvider.cs
+++ b/NzbDrone.Core/Providers/ReferenceDataProvider.cs
@@ -4,7 +4,9 @@
 using System.Linq;
 using System.Text;
 using NLog;
+using Newtonsoft.Json;
 using NzbDrone.Core.Providers.Core;
+using NzbDrone.Core.Repository;
 using PetaPoco;
 
 namespace NzbDrone.Core.Providers
@@ -44,24 +46,9 @@ public List<int> GetDailySeriesIds()
         {
             try
             {
-                var dailySeries = _httpProvider.DownloadString("http://www.nzbdrone.com/DailySeries.csv");
+                var dailySeriesIds = _httpProvider.DownloadString("http://services.nzbdrone.com/DailySeries/AllIds");
 
-                var seriesIds = new List<int>();
-
-                using (var reader = new StringReader(dailySeries))
-                {
-                    string line;
-                    while ((line = reader.ReadLine()) != null)
-                    {
-                        int seriesId;
-
-                        //Split CSV, first item should be the seriesId
-                        var split = line.Split(',');
-
-                        if (Int32.TryParse(split[0], out seriesId))
-                            seriesIds.Add(seriesId);
-                    }
-                }
+                var seriesIds = JsonConvert.DeserializeObject<List<int>>(dailySeriesIds);
 
                 return seriesIds;
             }