diff --git a/lib/cmd/test.js b/lib/cmd/test.js
index 076c00b3..d601ee56 100644
--- a/lib/cmd/test.js
+++ b/lib/cmd/test.js
@@ -59,6 +59,8 @@ class TestCommand extends Command {
     /* istanbul ignore next */
     testArgv.timeout = testArgv.timeout || process.env.TEST_TIMEOUT || 60000;
     testArgv.reporter = testArgv.reporter || process.env.TEST_REPORTER;
+    // force exit
+    testArgv.exit = true;
 
     if (debug) {
       // --no-timeouts
diff --git a/test/fixtures/no-exit/test/foo.test.js b/test/fixtures/no-exit/test/foo.test.js
new file mode 100644
index 00000000..d9615257
--- /dev/null
+++ b/test/fixtures/no-exit/test/foo.test.js
@@ -0,0 +1,16 @@
+'use strict';
+
+const http = require('http');
+const assert = require('assert');
+
+describe('mocha-test', () => {
+  it('should work', () => {
+    assert(true);
+  });
+});
+
+const server = http.createServer((req, res) => {
+  res.writeHead(200, { 'Content-Type': 'text/plain' });
+  res.end('okay');
+});
+server.listen();
diff --git a/test/lib/cmd/test.test.js b/test/lib/cmd/test.test.js
index e5d71d94..1ccb351f 100644
--- a/test/lib/cmd/test.test.js
+++ b/test/lib/cmd/test.test.js
@@ -110,6 +110,14 @@ describe('test/lib/cmd/test.test.js', () => {
       .end();
   });
 
+  it('should force exit', () => {
+    const cwd = path.join(__dirname, '../../fixtures/no-exit');
+    return coffee.fork(eggBin, [ 'test' ], { cwd })
+      .debug()
+      .expect('code', 0)
+      .end();
+  });
+
   describe('simplify mocha error stack', () => {
     const cwd = path.join(__dirname, '../../fixtures/test-files-stack');