1 files changed, 3 insertions, 2 deletions
diff --git a/src/nativewindow/classes/jogamp/nativewindow/ProxySurfaceImpl.java b/src/nativewindow/classes/jogamp/nativewindow/ProxySurfaceImpl.java
index 969e012a6..53daa2acd 100644
--- a/src/nativewindow/classes/jogamp/nativewindow/ProxySurfaceImpl.java
+++ b/src/nativewindow/classes/jogamp/nativewindow/ProxySurfaceImpl.java
@@ -36,7 +36,6 @@ import javax.media.nativewindow.ProxySurface;
 import javax.media.nativewindow.SurfaceUpdatedListener;
 import javax.media.nativewindow.UpstreamSurfaceHook;
 
-
 import com.jogamp.common.util.locks.LockFactory;
 import com.jogamp.common.util.locks.RecursiveLock;
 
@@ -74,7 +73,9 @@ public abstract class ProxySurfaceImpl implements ProxySurface {
     }
 
     @Override
-    public NativeSurface getUpstreamSurface() { return null; }
+    public final NativeSurface getUpstreamSurface() {
+        return upstream.getUpstreamSurface();
+    }
 
     @Override
     public final UpstreamSurfaceHook getUpstreamSurfaceHook() { return upstream; }