diff --git a/lib/internal/webstreams/util.js b/lib/internal/webstreams/util.js
index 5bf016f73b7af5..070fc09f17f505 100644
--- a/lib/internal/webstreams/util.js
+++ b/lib/internal/webstreams/util.js
@@ -11,6 +11,7 @@ const {
   MathMax,
   NumberIsNaN,
   PromisePrototypeThen,
+  ReflectApply,
   ReflectGet,
   Symbol,
   SymbolAsyncIterator,
@@ -166,15 +167,9 @@ function enqueueValueWithSize(controller, value, size) {
   controller[kState].queueTotalSize += size;
 }
 
-// This implements "invoke a callback function type" for callback functions that return a promise.
-// See https://webidl.spec.whatwg.org/#es-invoking-callback-functions
-async function invokePromiseCallback(fn, thisArg, ...args) {
-  return FunctionPrototypeCall(fn, thisArg, ...args);
-}
-
 function createPromiseCallback(name, fn, thisArg) {
   validateFunction(fn, name);
-  return (...args) => invokePromiseCallback(fn, thisArg, ...args);
+  return async (...args) => ReflectApply(fn, thisArg, args);
 }
 
 function isPromisePending(promise) {
@@ -281,7 +276,6 @@ module.exports = {
   extractHighWaterMark,
   extractSizeAlgorithm,
   lazyTransfer,
-  invokePromiseCallback,
   isBrandCheck,
   isPromisePending,
   peekQueueValue,