diff --git a/src/widgets/kernel/qwidget.cpp b/src/widgets/kernel/qwidget.cpp
index ead633cda3e..750b2946766 100644
--- a/src/widgets/kernel/qwidget.cpp
+++ b/src/widgets/kernel/qwidget.cpp
@@ -6107,6 +6107,13 @@ void QWidget::setWindowTitle(const QString &title)
     if (QWidget::windowTitle() == title && !title.isEmpty() && !title.isNull())
         return;
 
+#if QT_CONFIG(accessibility)
+    QString oldAccessibleName;
+    const QAccessibleInterface *accessible = QAccessible::queryAccessibleInterface(this);
+    if (accessible)
+        oldAccessibleName = accessible->text(QAccessible::Name);
+#endif
+
     Q_D(QWidget);
     d->topData()->caption = title;
     d->setWindowTitle_helper(title);
@@ -6115,6 +6122,13 @@ void QWidget::setWindowTitle(const QString &title)
     QCoreApplication::sendEvent(this, &e);
 
     emit windowTitleChanged(title);
+
+#if QT_CONFIG(accessibility)
+    if (accessible && accessible->text(QAccessible::Name) != oldAccessibleName) {
+        QAccessibleEvent event(this, QAccessible::NameChanged);
+        QAccessible::updateAccessibility(&event);
+    }
+#endif
 }
 
 
diff --git a/tests/auto/other/qaccessibility/tst_qaccessibility.cpp b/tests/auto/other/qaccessibility/tst_qaccessibility.cpp
index 5fd695e2e66..cab88e2fc0f 100644
--- a/tests/auto/other/qaccessibility/tst_qaccessibility.cpp
+++ b/tests/auto/other/qaccessibility/tst_qaccessibility.cpp
@@ -966,6 +966,13 @@ void tst_QAccessibility::mainWindowTest()
     QCOMPARE(iface->text(QAccessible::Name), name);
     QCOMPARE(iface->role(), QAccessible::Window);
     QVERIFY(iface->state().active);
+
+    QTestAccessibility::clearEvents();
+    QLatin1String newName = QLatin1String("Main window with updated title");
+    mw->setWindowTitle(newName);
+    QCOMPARE(iface->text(QAccessible::Name), QLatin1String(newName));
+    QAccessibleEvent event(mw, QAccessible::NameChanged);
+    QVERIFY(QTestAccessibility::containsEvent(&event));
     }
     QTestAccessibility::clearEvents();