diff --git a/src/tests/servers/app/newerClipping/Desktop.cpp b/src/tests/servers/app/newerClipping/Desktop.cpp
index 5ab9fb76ca..a27e040f51 100644
--- a/src/tests/servers/app/newerClipping/Desktop.cpp
+++ b/src/tests/servers/app/newerClipping/Desktop.cpp
@@ -538,6 +538,15 @@ Desktop::MarkDirty(BRegion* region)
 	if (LockClipping()) {
 		// add the new dirty region to the culmulative dirty region
 		fDirtyRegion.Include(region);
+
+if (fDrawingEngine->Lock()) {
+	fDrawingEngine->SetHighColor(255, 0, 0);
+	fDrawingEngine->FillRegion(region);
+	fDrawingEngine->MarkDirty(region);
+	fDrawingEngine->Unlock();
+	snooze(100000);
+}
+
 		// send redraw messages to all windows intersecting the dirty region
 		_TriggerWindowRedrawing(region);
 
diff --git a/src/tests/servers/app/newerClipping/WindowLayer.cpp b/src/tests/servers/app/newerClipping/WindowLayer.cpp
index b276b6986b..0f4920e0cd 100644
--- a/src/tests/servers/app/newerClipping/WindowLayer.cpp
+++ b/src/tests/servers/app/newerClipping/WindowLayer.cpp
@@ -313,26 +313,22 @@ void
 WindowLayer::_DrawContents(ViewLayer* layer)
 {
 //printf("%s - DrawContents()\n", Name());
-#if SLOW_DRAWING
-	snooze(10000);
-#endif
-
 	if (!layer)
 		layer = fTopLayer;
 
 	if (fDesktop->ReadLockClipping()) {
 	
-		BRegion effectiveWindowClipping(fVisibleContentRegion);
-		effectiveWindowClipping.IntersectWith(fDesktop->DirtyRegion());
+		BRegion dirtyContentRegion(fVisibleContentRegion);
+		dirtyContentRegion.IntersectWith(fDesktop->DirtyRegion());
 
-		if (effectiveWindowClipping.Frame().IsValid()) {
+		if (dirtyContentRegion.CountRects() > 0) {
 			// send UPDATE message to the client
-			_MarkContentDirty(&effectiveWindowClipping);
+			_MarkContentDirty(&dirtyContentRegion);
 	
-			layer->Draw(fDrawingEngine, &effectiveWindowClipping,
+			layer->Draw(fDrawingEngine, &dirtyContentRegion,
 						&fVisibleContentRegion, true);
 	
-			fDesktop->MarkClean(&fContentRegion);
+			fDesktop->MarkClean(&dirtyContentRegion);
 		}
 
 		fDesktop->ReadUnlockClipping();