diff --git a/feature-detects/web-intents.js b/feature-detects/web-intents.js
index 1c32141d27..d0557fe8cd 100644
--- a/feature-detects/web-intents.js
+++ b/feature-detects/web-intents.js
@@ -1,4 +1,6 @@
 // Tests for the ability to use Web Intents (http://webintents.org).
+// By Eric Bidelman
+
 Modernizr.addTest('webintents', function() {
-    return !!navigator.startActivity;
+  return !!Modernizr.prefixed('startActivity', navigator);
 });