Merge pull request #2815 from MediaBrowser/beta

Beta

1 files changed, 6 insertions, 3 deletions

diff --git a/Emby.Server.Implementations/Collections/CollectionManager.cs b/Emby.Server.Implementations/Collections/CollectionManager.cs
index 4e5d344a3..5b168f6cc 100644
--- a/Emby.Server.Implementations/Collections/CollectionManager.cs
+++ b/Emby.Server.Implementations/Collections/CollectionManager.cs
@@ -12,6 +12,7 @@ using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Model.IO;
+using MediaBrowser.Model.Extensions;
 
 namespace Emby.Server.Implementations.Collections
 {
@@ -190,7 +191,9 @@ namespace Emby.Server.Implementations.Collections
 
             if (list.Count > 0)
             {
-                collection.LinkedChildren.AddRange(list);
+                var newList = collection.LinkedChildren.ToList();
+                newList.AddRange(list);
+                collection.LinkedChildren = newList.ToArray(newList.Count);
 
                 collection.UpdateRatingToContent();
 
@@ -241,9 +244,9 @@ namespace Emby.Server.Implementations.Collections
                 }
             }
 
-            foreach (var child in list)
+            if (list.Count > 0)
             {
-                collection.LinkedChildren.Remove(child);
+                collection.LinkedChildren = collection.LinkedChildren.Except(list).ToArray();
             }
 
             collection.UpdateRatingToContent();