diff --git a/ICSharpCode.NRefactory/CSharp/Ast/CompilationUnit.cs b/ICSharpCode.NRefactory/CSharp/Ast/CompilationUnit.cs
index 9a50477191..1b97a4cd05 100644
--- a/ICSharpCode.NRefactory/CSharp/Ast/CompilationUnit.cs
+++ b/ICSharpCode.NRefactory/CSharp/Ast/CompilationUnit.cs
@@ -28,7 +28,7 @@ using System.Collections.Generic;
 
 namespace ICSharpCode.NRefactory.CSharp
 {
-	public class CompilationUnit : AstNode 
+	public class CompilationUnit : AttributedNode
 	{
 		public static readonly Role<AstNode> MemberRole = new Role<AstNode>("Member", AstNode.Null);