diff --git a/lib/test/examiner.js b/lib/test/examiner.js
index <HASH>..<HASH> 100644
--- a/lib/test/examiner.js
+++ b/lib/test/examiner.js
@@ -407,7 +407,7 @@ Test.prototype.run = function(options) {
     this.status = stati.fail;
     this.failures.push({ message: '' + ex });
     console.error(ex);
-    if (ex.stack) {
+    if (options.isNode && ex.stack) {
       console.error(ex.stack);
     }
   }
Bug <I> (extratests): Only report stack traces where needed
- i.e. Node. The web is cooler about this