diff --git a/example/marker-clustering-realworld.10000.html b/example/marker-clustering-realworld.10000.html
index 873a0f654..462e8483e 100644
--- a/example/marker-clustering-realworld.10000.html
+++ b/example/marker-clustering-realworld.10000.html
@@ -27,7 +27,7 @@
 			latlng = L.latLng(-37.89, 175.46);
 		var map = L.map('map', {center: latlng, zoom: 13, layers: [cloudmade]});
 
-		var markers = L.markerClusterGroup();
+		var markers = L.markerClusterGroup({ chunkedLoading: true });
 		
 		for (var i = 0; i < addressPoints.length; i++) {
 			var a = addressPoints[i];
diff --git a/example/marker-clustering-realworld.50000.html b/example/marker-clustering-realworld.50000.html
index 0f7c7e662..c439cccfd 100644
--- a/example/marker-clustering-realworld.50000.html
+++ b/example/marker-clustering-realworld.50000.html
@@ -28,7 +28,7 @@
 
 			var map = L.map('map', { center: latlng, zoom: 13, layers: [cloudmade] });
 
-			var markers = L.markerClusterGroup();
+			var markers = L.markerClusterGroup({ chunkedLoading: true });
 
 			var markerList = [];