--- old/modules/graphics/src/main/java/com/sun/glass/ui/monocle/headless/HeadlessScreen.java	2014-01-21 12:06:05.784163760 -0500
+++ new/modules/graphics/src/main/java/com/sun/glass/ui/monocle/headless/HeadlessScreen.java	2014-01-21 12:06:05.596163764 -0500
@@ -36,7 +36,7 @@
 import java.security.AccessController;
 import java.security.PrivilegedAction;
 
-public class HeadlessScreen implements NativeScreen {
+public class HeadlessScreen extends NativeScreen {
 
     protected int depth;
     protected int width;