diff --git a/lib/reporters/json.js b/lib/reporters/json.js
index <HASH>..<HASH> 100644
--- a/lib/reporters/json.js
+++ b/lib/reporters/json.js
@@ -48,7 +48,7 @@ function JSONReporter(runner) {
       , passes: passes.map(clean)
     };
 
-    process.stdout.write(JSON.stringify(obj));
+    process.stdout.write(JSON.stringify(obj, null, 2));
   });
 }
Added: make json reporter output pretty json