diff --git a/example/profiling/src/DigestIndicator.js b/example/profiling/src/DigestIndicator.js
index 02fbc7a08b..f19f28b548 100644
--- a/example/profiling/src/DigestIndicator.js
+++ b/example/profiling/src/DigestIndicator.js
@@ -39,8 +39,11 @@ define(
                 start = Date.now();
 
             function update() {
-                var secs = (Date.now() - start) / 1000;
+                var now = Date.now(),
+                    secs = (now - start) / 1000;
                 displayed = Math.round(digests / secs);
+                start = now;
+                digests = 0;
             }
 
             function increment() {