diff --git a/components/Collections/src/AdvancedCollectionView/AdvancedCollectionView.cs b/components/Collections/src/AdvancedCollectionView/AdvancedCollectionView.cs
index 416d87f8..7240ea24 100644
--- a/components/Collections/src/AdvancedCollectionView/AdvancedCollectionView.cs
+++ b/components/Collections/src/AdvancedCollectionView/AdvancedCollectionView.cs
@@ -3,6 +3,8 @@
 // See the LICENSE file in the project root for more information.
 
 using CommunityToolkit.WinUI.Helpers;
+using System;
+using System.CodeDom;
 using System.Collections;
 using System.Collections.Specialized;
 using System.Runtime.CompilerServices;
@@ -388,7 +390,11 @@ int IComparer<object>.Compare(object x, object y)
             var listType = _source?.GetType();
             Type type;
 
-            if (listType != null && listType.IsGenericType)
+            if (listType == typeof(IncrementalLoadingCollection))
+            {
+                type = listType.GetGenericArguments()[1];
+            }
+            else if (listType != null && listType.IsGenericType)
             {
                 type = listType.GetGenericArguments()[0];
             }