diff --git a/src/Avalonia.Controls/WrapPanel.cs b/src/Avalonia.Controls/WrapPanel.cs
index fb6eecbef1..2382e689ad 100644
--- a/src/Avalonia.Controls/WrapPanel.cs
+++ b/src/Avalonia.Controls/WrapPanel.cs
@@ -6,6 +6,7 @@ using System.Diagnostics;
 using System.Linq;
 
 using Avalonia.Input;
+using Avalonia.Utilities;
 
 using static System.Math;