diff --git a/src/Avalonia.Controls/WrapPanel.cs b/src/Avalonia.Controls/WrapPanel.cs
index fcc21a7b41..4df1b39400 100644
--- a/src/Avalonia.Controls/WrapPanel.cs
+++ b/src/Avalonia.Controls/WrapPanel.cs
@@ -194,7 +194,7 @@ namespace Avalonia.Controls
             double u = 0;
             bool isHorizontal = (Orientation == Orientation.Horizontal);
 
-            for (int i = 0, count = Children.Count; i < count; i++)
+            for (int i = start; i < end; i++)
             {
                 var child = Children[i];
                 if (child != null)