diff --git a/packages/reactivity/__tests__/reactiveArray.spec.ts b/packages/reactivity/__tests__/reactiveArray.spec.ts
index 34be986688f..981d971a71a 100644
--- a/packages/reactivity/__tests__/reactiveArray.spec.ts
+++ b/packages/reactivity/__tests__/reactiveArray.spec.ts
@@ -1,8 +1,7 @@
 import { type ComputedRef, computed } from '../src/computed'
 import { isReactive, reactive, shallowReactive, toRaw } from '../src/reactive'
-import { isRef, ref } from '../src/ref'
+import { isRef, ref, toRef, triggerRef } from '../src/ref'
 import { effect } from '../src/effect'
-import { getDepFromReactive } from '../src/dep'
 
 describe('reactivity/reactive/Array', () => {
   test('should make Array reactive', () => {
@@ -281,10 +280,14 @@ describe('reactivity/reactive/Array', () => {
   })
 
   // #12427
-  test('get reactive array dep', () => {
+  test('trigger the ref that is created by toRef from a reactive Array', () => {
     const array = reactive<number[]>([1])
-    effect(() => array[0])
-    expect(getDepFromReactive(toRaw(array), 0)).toBeDefined()
+    const first = toRef(array, 0)
+    const fn = vi.fn()
+    effect(() => fn(first.value))
+    expect(fn).toHaveBeenCalledTimes(1)
+    triggerRef(first)
+    expect(fn).toHaveBeenCalledTimes(2)
   })
 
   describe('Array methods w/ refs', () => {