diff --git a/spec/fixtures/module/fork_ping.js b/spec/fixtures/module/fork_ping.js
index e6d3f921ba2..a43f7d8dce7 100644
--- a/spec/fixtures/module/fork_ping.js
+++ b/spec/fixtures/module/fork_ping.js
@@ -9,3 +9,6 @@ process.on('message', function(msg) {
 child.on('message', function (msg) {
   process.send(msg);
 });
+child.on('exit', function(code) {
+  process.exit(code);
+});
diff --git a/spec/fixtures/module/ping.js b/spec/fixtures/module/ping.js
index dc380a1a0cc..fdb9d1ec4ce 100644
--- a/spec/fixtures/module/ping.js
+++ b/spec/fixtures/module/ping.js
@@ -1,3 +1,4 @@
 process.on('message', function(msg) {
   process.send(msg);
+  process.exit(0);
 });