diff --git a/packages/vitest/src/integrations/chai/index.ts b/packages/vitest/src/integrations/chai/index.ts
index 0bc1f1f498b1..bb1d29148a76 100644
--- a/packages/vitest/src/integrations/chai/index.ts
+++ b/packages/vitest/src/integrations/chai/index.ts
@@ -67,6 +67,8 @@ const globalExpect = createExpect()
 
 Object.defineProperty(globalThis, GLOBAL_EXPECT, {
   value: globalExpect,
+  writable: true,
+  configurable: true,
 })
 
 export { assert, should } from 'chai'