diff --git a/src/Avalonia.Controls/Generators/TreeContainerIndex.cs b/src/Avalonia.Controls/Generators/TreeContainerIndex.cs
index c831b7985c..0da84008f6 100644
--- a/src/Avalonia.Controls/Generators/TreeContainerIndex.cs
+++ b/src/Avalonia.Controls/Generators/TreeContainerIndex.cs
@@ -39,7 +39,7 @@ namespace Avalonia.Controls.Generators
         /// <summary>
         /// Gets the items of currently materialized containers.
         /// </summary>
-        public IEnumerable<object> Objects => _containerToItem.Values;
+        public IEnumerable<object> Items => _containerToItem.Values;
 
         /// <summary>
         /// Adds an entry to the index.
diff --git a/src/Avalonia.Controls/TreeView.cs b/src/Avalonia.Controls/TreeView.cs
index 8236c11983..94989254dc 100644
--- a/src/Avalonia.Controls/TreeView.cs
+++ b/src/Avalonia.Controls/TreeView.cs
@@ -411,7 +411,7 @@ namespace Avalonia.Controls
 
                 if (this.SelectionMode == SelectionMode.Multiple && Match(keymap.SelectAll))
                 {
-                    SelectingItemsControl.SynchronizeItems(SelectedItems, ItemContainerGenerator.Index.Objects);
+                    SelectingItemsControl.SynchronizeItems(SelectedItems, ItemContainerGenerator.Index.Items);
                     e.Handled = true;
                 }
             }