diff --git a/packages/reactivity/src/arrayInstrumentations.ts b/packages/reactivity/src/arrayInstrumentations.ts
index 5bb955bfe..981a10d04 100644
--- a/packages/reactivity/src/arrayInstrumentations.ts
+++ b/packages/reactivity/src/arrayInstrumentations.ts
@@ -215,7 +215,7 @@ function iterator(
     iter._next = iter.next
     iter.next = () => {
       const result = iter._next()
-      if (result.value) {
+      if (!result.done) {
         result.value = wrapValue(result.value)
       }
       return result