diff --git a/lib/async.js b/lib/async.js
index 20afb3bd7..a5ddeed51 100755
--- a/lib/async.js
+++ b/lib/async.js
@@ -806,12 +806,13 @@
             pause: function () {
                 if (q.paused === true) { return; }
                 q.paused = true;
-                q.process();
             },
             resume: function () {
                 if (q.paused === false) { return; }
                 q.paused = false;
-                q.process();
+                for (var i = 0; i < q.tasks.length && i < q.concurrency; i++) {
+                    async.setImmediate(q.process);
+                }
             }
         };
         return q;