diff --git a/index.html b/index.html
index a928069..f460297 100644
--- a/index.html
+++ b/index.html
@@ -678,7 +678,13 @@
 
 			// Factor of the display size that should remain empty around the content
 			margin: 0.1,
-	
+
+			multiplex: {
+				url: '/ws/',
+				id: '000SOCKETID000',
+				secret: Reveal.getQueryHash().s || null
+			},
+
 			// Bounds for smallest/largest possible scale to apply to content
 			minScale: 0.02,
 			maxScale: 5.5,