diff --git a/packages/core-js/internals/async-iterator-create-proxy.js b/packages/core-js/internals/async-iterator-create-proxy.js
index c120fa90f6a3..efd6edc7cc8b 100644
--- a/packages/core-js/internals/async-iterator-create-proxy.js
+++ b/packages/core-js/internals/async-iterator-create-proxy.js
@@ -79,7 +79,7 @@ var createAsyncIteratorProxyPrototype = function (IS_ITERATOR) {
         var returnMethod, result;
         var completion = perform(function () {
           if (state.inner) try {
-            iteratorClose(state.inner.iterator, 'return');
+            iteratorClose(state.inner.iterator, 'normal');
           } catch (error) {
             return iteratorClose(iterator, 'throw', error);
           }
diff --git a/packages/core-js/internals/iterator-create-proxy.js b/packages/core-js/internals/iterator-create-proxy.js
index be5e2faa33b9..ffb9d7454875 100644
--- a/packages/core-js/internals/iterator-create-proxy.js
+++ b/packages/core-js/internals/iterator-create-proxy.js
@@ -42,11 +42,11 @@ var createIteratorProxyPrototype = function (IS_ITERATOR) {
         return returnMethod ? call(returnMethod, iterator) : createIterResultObject(undefined, true);
       }
       if (state.inner) try {
-        iteratorClose(state.inner.iterator, 'return');
+        iteratorClose(state.inner.iterator, 'normal');
       } catch (error) {
         return iteratorClose(iterator, 'throw', error);
       }
-      iteratorClose(iterator, 'return');
+      iteratorClose(iterator, 'normal');
       return createIterResultObject(undefined, true);
     }
   });