diff --git a/.eslintignore b/.eslintignore
index 25fbf5a1..d6699189 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -1,2 +1,3 @@
 node_modules/
 coverage/
+test/fixtures
diff --git a/src/cmd/test.ts b/src/cmd/test.ts
index b47216bd..40eb5ec4 100644
--- a/src/cmd/test.ts
+++ b/src/cmd/test.ts
@@ -107,7 +107,13 @@ export class TestCommand extends BaseCommand {
 
     const mochaArgs = await this.formatMochaArgs();
     if (!mochaArgs) return;
-    await this.forkNode(mochaFile, mochaArgs);
+    await this.forkNode(mochaFile, mochaArgs, {
+      execArgv: [
+        ...process.execArgv,
+        // https://github.com/mochajs/mocha/issues/2640#issuecomment-1663388547
+        '--unhandled-rejections=strict',
+      ],
+    });
   }
 
   protected async formatMochaArgs() {
diff --git a/test/cmd/test.test.ts b/test/cmd/test.test.ts
index 767a28d5..b4626aef 100644
--- a/test/cmd/test.test.ts
+++ b/test/cmd/test.test.ts
@@ -168,6 +168,14 @@ describe('test/cmd/test.test.ts', () => {
         .end();
     });
 
+    it('should success js', () => {
+      return coffee.fork(eggBin, [ 'test' ], { cwd: path.join(fixtures, 'test-unhandled-rejection') })
+        // .debug()
+        .expect('stdout', / Uncaught Error: mock error/)
+        .expect('code', 1)
+        .end();
+    });
+
     it('test parallel', () => {
       if (process.platform === 'win32') return;
       return coffee.fork(eggBin, [ 'test', '--parallel' ], {
diff --git a/test/fixtures/test-unhandled-rejection/package.json b/test/fixtures/test-unhandled-rejection/package.json
new file mode 100644
index 00000000..1633ac83
--- /dev/null
+++ b/test/fixtures/test-unhandled-rejection/package.json
@@ -0,0 +1,6 @@
+{
+  "name": "test-unhandled-rejection",
+  "files": [
+    "lib"
+  ]
+}
diff --git a/test/fixtures/test-unhandled-rejection/test/a.test.js b/test/fixtures/test-unhandled-rejection/test/a.test.js
new file mode 100644
index 00000000..61cdb364
--- /dev/null
+++ b/test/fixtures/test-unhandled-rejection/test/a.test.js
@@ -0,0 +1,5 @@
+describe('a.test.js', () => {
+  it('should success', () => {
+    Promise.reject(new Error('mock error'));
+  });
+});