diff --git a/packages/vitest/src/integrations/env/happy-dom.ts b/packages/vitest/src/integrations/env/happy-dom.ts
index fe7a0d360..0f662c28b 100644
--- a/packages/vitest/src/integrations/env/happy-dom.ts
+++ b/packages/vitest/src/integrations/env/happy-dom.ts
@@ -1,6 +1,16 @@
 import type { Environment } from '../../types'
 import { populateGlobal } from './utils'
 
+async function teardownWindow(win: { happyDOM: { abort?: () => Promise<void>; cancelAsync: () => void }; close?: () => void }) {
+  if (win.close && win.happyDOM.abort) {
+    await win.happyDOM.abort()
+    win.close()
+  }
+  else {
+    win.happyDOM.cancelAsync()
+  }
+}
+
 export default <Environment>({
   name: 'happy-dom',
   transformMode: 'web',
@@ -28,7 +38,7 @@ export default <Environment>({
         return win
       },
       async teardown() {
-        await win.happyDOM.cancelAsync()
+        await teardownWindow(win)
       },
     }
   },
@@ -53,8 +63,8 @@ export default <Environment>({
     })
 
     return {
-      teardown(global) {
-        win.happyDOM.cancelAsync()
+      async teardown(global) {
+        await teardownWindow(win)
         keys.forEach(key => delete global[key])
         originals.forEach((v, k) => global[k] = v)
       },
diff --git a/test/core/test/happy-dom-custom.test.ts b/test/core/test/happy-dom-custom.test.ts
index 1bdb2be8f..4c1c05c9b 100644
--- a/test/core/test/happy-dom-custom.test.ts
+++ b/test/core/test/happy-dom-custom.test.ts
@@ -18,5 +18,5 @@ it('custom URL is changed to my-website:5435', () => {
 
 it('accepts custom environment options', () => {
   // default is false
-  expect(window.happyDOM.settings.disableCSSFileLoading).toBe(true)
+  expect(window.happyDOM?.settings.disableCSSFileLoading).toBe(true)
 })
diff --git a/test/core/test/happy-dom.test.ts b/test/core/test/happy-dom.test.ts
index f346db0ee..034a8c5f1 100644
--- a/test/core/test/happy-dom.test.ts
+++ b/test/core/test/happy-dom.test.ts
@@ -20,7 +20,7 @@ it('defaults URL to localhost:3000', () => {
 })
 
 it('disableCSSFileLoading is false by default because we didn\'t change options', () => {
-  expect(window.happyDOM.settings.disableCSSFileLoading).toBe(false)
+  expect(window.happyDOM?.settings.disableCSSFileLoading).toBe(false)
 })
 
 it('defined on self/window are defined on global', () => {