diff --git a/lib/async.js b/lib/async.js
index a13f83520..f0620717d 100755
--- a/lib/async.js
+++ b/lib/async.js
@@ -1103,7 +1103,7 @@
                 }
                 throw err;
             }
-            fn(next);
+            setImmediate(fn, next);
         }
         next();
     };