diff --git a/examples/icon-sprite-webgl.js b/examples/icon-sprite-webgl.js
index 33c48856ec..8b80ef826e 100644
--- a/examples/icon-sprite-webgl.js
+++ b/examples/icon-sprite-webgl.js
@@ -48,7 +48,7 @@ for (i = 0; i < iconCount; ++i) {
   });
 }
 
-var featureCount = 10000;
+var featureCount = 30000;
 var features = new Array(featureCount);
 var feature, geometry;
 var e = 25000000;