diff --git a/packages/core-js/internals/microtask.js b/packages/core-js/internals/microtask.js index 9b36b950ea6e..24b34801b6e4 100644 --- a/packages/core-js/internals/microtask.js +++ b/packages/core-js/internals/microtask.js @@ -41,7 +41,7 @@ module.exports = function () { }; // environments with maybe non-completely correct, but existent Promise } else if (Promise && Promise.resolve) { - var promise = Promise.resolve(); + var promise = Promise.resolve(undefined); notify = function () { promise.then(flush); };