1 files changed, 4 insertions, 0 deletions
diff --git a/src/classes/com/sun/opengl/impl/NullWindow.java b/src/classes/com/sun/opengl/impl/NullWindow.java
index ef23083b0..a366a734a 100644
--- a/src/classes/com/sun/opengl/impl/NullWindow.java
+++ b/src/classes/com/sun/opengl/impl/NullWindow.java
@@ -109,6 +109,10 @@ public class NullWindow implements NativeWindow {
     return null;
   }
 
+  public final boolean isTerminalObject() {
+    return true;
+  }
+
   public void setSize(int width, int height) {
     this.width=width;
     this.height=height;