1 files changed, 1 insertions, 0 deletions
diff --git a/mcs/class/System.Xaml/System.Windows.Markup/TrimSurroundingWhitespaceAttribute.cs b/mcs/class/System.Xaml/System.Windows.Markup/TrimSurroundingWhitespaceAttribute.cs
index 40310d89d1f..371e3e06f8e 100755
--- a/mcs/class/System.Xaml/System.Windows.Markup/TrimSurroundingWhitespaceAttribute.cs
+++ b/mcs/class/System.Xaml/System.Windows.Markup/TrimSurroundingWhitespaceAttribute.cs
@@ -31,6 +31,7 @@ using System.Xaml.Schema;
 namespace System.Windows.Markup
 {
 	[AttributeUsage (AttributeTargets.Class, AllowMultiple = false, Inherited = true)]
+	[System.Runtime.CompilerServices.TypeForwardedFrom (Consts.AssemblyWindowsBase)]
 	public sealed class TrimSurroundingWhitespaceAttribute : Attribute
 	{
 	}