diff --git a/Xwt.XamMac/Xwt.Mac/MacDesktopBackend.cs b/Xwt.XamMac/Xwt.Mac/MacDesktopBackend.cs
index 9bf22024a..949579550 100644
--- a/Xwt.XamMac/Xwt.Mac/MacDesktopBackend.cs
+++ b/Xwt.XamMac/Xwt.Mac/MacDesktopBackend.cs
@@ -30,6 +30,7 @@
 #if MONOMAC
 using nint = System.Int32;
 using nfloat = System.Single;
+using CGPoint = System.Drawing.PointF;
 using CGRect = System.Drawing.RectangleF;
 using MonoMac.AppKit;
 #else