diff --git a/MediaBrowser.Model/Querying/ItemQuery.cs b/MediaBrowser.Model/Querying/ItemQuery.cs
index aee1ca947b..3969eedaa8 100644
--- a/MediaBrowser.Model/Querying/ItemQuery.cs
+++ b/MediaBrowser.Model/Querying/ItemQuery.cs
@@ -264,6 +264,8 @@ namespace MediaBrowser.Model.Querying
 
         public bool? IsInBoxSet { get; set; }
 
+        public bool? CollapseBoxSetItems { get; set; }
+
         public bool? IsPlayed { get; set; }
         
         /// <summary>