diff --git a/packages/runtime-core/__tests__/componentPublicInstance.spec.ts b/packages/runtime-core/__tests__/componentPublicInstance.spec.ts
index c4c456b5f7a..c1797073a4a 100644
--- a/packages/runtime-core/__tests__/componentPublicInstance.spec.ts
+++ b/packages/runtime-core/__tests__/componentPublicInstance.spec.ts
@@ -209,6 +209,22 @@ describe('component: proxy', () => {
     ])
   })
 
+  test('allow calling hasOwnProperty', () => {
+    let instanceProxy: any
+    const Comp = {
+      render() {},
+      mounted() {
+        instanceProxy = this
+      }
+    }
+
+    const app = createApp(Comp)
+
+    app.mount(nodeOps.createElement('div'))
+
+    expect(instanceProxy.hasOwnProperty).not.toBeNull()
+  })
+
   // #864
   test('should not warn declared but absent props', () => {
     const Comp = {
diff --git a/packages/runtime-core/src/componentPublicInstance.ts b/packages/runtime-core/src/componentPublicInstance.ts
index 9b67c9132c7..a8ac52d1f51 100644
--- a/packages/runtime-core/src/componentPublicInstance.ts
+++ b/packages/runtime-core/src/componentPublicInstance.ts
@@ -387,6 +387,8 @@ export const PublicInstanceProxyHandlers: ProxyHandler<any> = {
             `but is not defined on instance.`
         )
       }
+    } else if (key === 'hasOwnProperty') {
+      return ctx.hasOwnProperty
     }
   },