diff --git a/src/NzbDrone.Api/Series/SeriesResource.cs b/src/NzbDrone.Api/Series/SeriesResource.cs
index ce55f76da..6d763ead9 100644
--- a/src/NzbDrone.Api/Series/SeriesResource.cs
+++ b/src/NzbDrone.Api/Series/SeriesResource.cs
@@ -66,6 +66,7 @@ public Int32 SeasonCount
         public String Certification { get; set; }
         public List<String> Genres { get; set; }
         public HashSet<Int32> Tags { get; set; }
+        public DateTime Added { get; set; }
 
         //Used to support legacy consumers
         public Int32 QualityProfileId