diff --git a/src/Avalonia.Layout/ElementManager.cs b/src/Avalonia.Layout/ElementManager.cs
index bf5a45966b..cb13deb15f 100644
--- a/src/Avalonia.Layout/ElementManager.cs
+++ b/src/Avalonia.Layout/ElementManager.cs
@@ -207,7 +207,7 @@ namespace Avalonia.Layout
             }
         }
 
-        public bool IsIndexValidInData(int currentIndex) => currentIndex >= 0 && currentIndex < _context.ItemCount;
+        public bool IsIndexValidInData(int currentIndex) => (uint)currentIndex < _context.ItemCount;
 
         public ILayoutable GetRealizedElement(int dataIndex)
         {