diff --git a/js/reveal.js b/js/reveal.js
index <HASH>..<HASH> 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -1843,6 +1843,7 @@
 		updateProgress();
 		updateBackground( true );
 		updateSlideNumber();
+		updateSlidesVisibility();
 
 	}
update visibility of slides as part of sync