diff --git a/src/Windows/Avalonia.Win32/Win32TypeExtensions.cs b/src/Windows/Avalonia.Win32/Win32TypeExtensions.cs
index 0e9daf3137..8193611f6d 100644
--- a/src/Windows/Avalonia.Win32/Win32TypeExtensions.cs
+++ b/src/Windows/Avalonia.Win32/Win32TypeExtensions.cs
@@ -2,9 +2,9 @@
 
 namespace Avalonia.Win32
 {
-    public static class Win32TypeExtensions
+    internal static class Win32TypeExtensions
     {
-        internal static PixelRect ToPixelRect(this RECT rect)
+        public static PixelRect ToPixelRect(this RECT rect)
         {
             return new PixelRect(rect.left, rect.top, rect.right - rect.left,
                     rect.bottom - rect.top);