1 files changed, 2 insertions, 1 deletions
diff --git a/lib/child_process.js b/lib/child_process.js
index c8e9e37605a..5dfa2de5e27 100644
--- a/lib/child_process.js
+++ b/lib/child_process.js
@@ -465,7 +465,8 @@ function setupChannel(target, channel) {
       if (obj.simultaneousAccepts) {
         net._setSimultaneousAccepts(handle);
       }
-    } else if (this._handleQueue) {
+    } else if (this._handleQueue &&
+               !(message && message.cmd === 'NODE_HANDLE_ACK')) {
       // Queue request anyway to avoid out-of-order messages.
       this._handleQueue.push({ message: message, handle: null });
       return;