Merge remote-tracking branch 'th3james/auto-double-callback-issue'

1 files changed, 4 insertions, 1 deletions

diff --git a/lib/async.js b/lib/async.js
index 16240f8..9c04f1f 100755
--- a/lib/async.js
+++ b/lib/async.js
@@ -422,8 +422,11 @@
 
         addListener(function () {
             if (_keys(results).length === keys.length) {
-                callback(null, results);
+                var theCallback = callback;
+                // prevent final callback from calling itself if it errors
                 callback = function () {};
+
+                theCallback(null, results);
             }
         });