diff --git a/src/corelib/thread/qfutureinterface.cpp b/src/corelib/thread/qfutureinterface.cpp
index 5fc186b1e45..536467b6cdd 100644
--- a/src/corelib/thread/qfutureinterface.cpp
+++ b/src/corelib/thread/qfutureinterface.cpp
@@ -806,23 +806,21 @@ void QFutureInterfaceBasePrivate::connectOutputInterface(QFutureCallOutInterface
 {
     QMutexLocker locker(&m_mutex);
 
-    QVarLengthArray<std::unique_ptr<QFutureCallOutEvent>, 3> events;
-
     const auto currentState = state.loadRelaxed();
     if (currentState & QFutureInterfaceBase::Started) {
-        events.emplace_back(new QFutureCallOutEvent(QFutureCallOutEvent::Started));
+        iface->postCallOutEvent(QFutureCallOutEvent(QFutureCallOutEvent::Started));
         if (m_progress) {
-            events.emplace_back(new QFutureCallOutEvent(QFutureCallOutEvent::ProgressRange,
+            iface->postCallOutEvent(QFutureCallOutEvent(QFutureCallOutEvent::ProgressRange,
                                                         m_progress->minimum,
                                                         m_progress->maximum));
-            events.emplace_back(new QFutureCallOutEvent(QFutureCallOutEvent::Progress,
+            iface->postCallOutEvent(QFutureCallOutEvent(QFutureCallOutEvent::Progress,
                                                         m_progressValue,
                                                         m_progress->text));
         } else {
-            events.emplace_back(new QFutureCallOutEvent(QFutureCallOutEvent::ProgressRange,
+            iface->postCallOutEvent(QFutureCallOutEvent(QFutureCallOutEvent::ProgressRange,
                                                         0,
                                                         0));
-            events.emplace_back(new QFutureCallOutEvent(QFutureCallOutEvent::Progress,
+            iface->postCallOutEvent(QFutureCallOutEvent(QFutureCallOutEvent::Progress,
                                                         m_progressValue,
                                                         QString()));
         }
@@ -833,7 +831,7 @@ void QFutureInterfaceBasePrivate::connectOutputInterface(QFutureCallOutInterface
         while (it != data.m_results.end()) {
             const int begin = it.resultIndex();
             const int end = begin + it.batchSize();
-            events.emplace_back(new QFutureCallOutEvent(QFutureCallOutEvent::ResultsReady,
+            iface->postCallOutEvent(QFutureCallOutEvent(QFutureCallOutEvent::ResultsReady,
                                                         begin,
                                                         end));
             it.batchedAdvance();
@@ -841,21 +839,17 @@ void QFutureInterfaceBasePrivate::connectOutputInterface(QFutureCallOutInterface
     }
 
     if (currentState & QFutureInterfaceBase::Suspended)
-        events.emplace_back(new QFutureCallOutEvent(QFutureCallOutEvent::Suspended));
+        iface->postCallOutEvent(QFutureCallOutEvent(QFutureCallOutEvent::Suspended));
     else if (currentState & QFutureInterfaceBase::Suspending)
-        events.emplace_back(new QFutureCallOutEvent(QFutureCallOutEvent::Suspending));
+        iface->postCallOutEvent(QFutureCallOutEvent(QFutureCallOutEvent::Suspending));
 
     if (currentState & QFutureInterfaceBase::Canceled)
-        events.emplace_back(new QFutureCallOutEvent(QFutureCallOutEvent::Canceled));
+        iface->postCallOutEvent(QFutureCallOutEvent(QFutureCallOutEvent::Canceled));
 
     if (currentState & QFutureInterfaceBase::Finished)
-        events.emplace_back(new QFutureCallOutEvent(QFutureCallOutEvent::Finished));
+        iface->postCallOutEvent(QFutureCallOutEvent(QFutureCallOutEvent::Finished));
 
     outputConnections.append(iface);
-
-    locker.unlock();
-    for (auto &&event : events)
-        iface->postCallOutEvent(*event);
 }
 
 void QFutureInterfaceBasePrivate::disconnectOutputInterface(QFutureCallOutInterface *iface)
diff --git a/tests/auto/corelib/thread/qfuturewatcher/tst_qfuturewatcher.cpp b/tests/auto/corelib/thread/qfuturewatcher/tst_qfuturewatcher.cpp
index a5b447470ce..40aa89ded4a 100644
--- a/tests/auto/corelib/thread/qfuturewatcher/tst_qfuturewatcher.cpp
+++ b/tests/auto/corelib/thread/qfuturewatcher/tst_qfuturewatcher.cpp
@@ -26,6 +26,7 @@ private slots:
     void cancelAndFinish();
     void resultAt();
     void resultReadyAt();
+    void orderedResultReadyAt();
     void futureSignals();
     void watchFinishedFuture();
     void watchCanceledFuture();
@@ -280,6 +281,28 @@ void tst_QFutureWatcher::resultReadyAt()
     QVERIFY(resultSpy.wait());
 }
 
+void tst_QFutureWatcher::orderedResultReadyAt()
+{
+    for (int i = 0; i < 1000; ++i) {
+        QObject context;
+        QFuture<QString> f = run([](QPromise<QString> &fi) {
+            fi.addResult("First");
+            fi.addResult("Second");
+        });
+        QList<int> actualIndices;
+
+        QFutureWatcher<QString> watcher;
+        connect(&watcher, &QFutureWatcherBase::resultReadyAt, &context,
+                [&actualIndices](int index) { actualIndices.append(index); });
+        watcher.setFuture(f);
+        f.waitForFinished();
+        QCoreApplication::processEvents();
+        const QList<int> expectedIndices{0, 1};
+        QCOMPARE(actualIndices.size(), expectedIndices.size());
+        QCOMPARE(actualIndices, expectedIndices);
+    }
+}
+
 class SignalSlotObject : public QObject
 {
 Q_OBJECT