diff --git a/src/corelib/kernel/qmetatype.h b/src/corelib/kernel/qmetatype.h
index 59ec8de0e9..7c22ff1693 100644
--- a/src/corelib/kernel/qmetatype.h
+++ b/src/corelib/kernel/qmetatype.h
@@ -1014,6 +1014,24 @@ struct ContainerCapabilitiesImpl<Container, decltype(std::declval<Container>().p
     { static_cast<Container *>(const_cast<void *>(container))->push_back(*static_cast<const typename Container::value_type *>(value)); }
 };
 
+namespace QtPrivate {
+namespace ContainerCapabilitiesMetaProgrammingHelper {
+    template<typename... Ts>
+    using void_t = void;
+}
+}
+
+template<typename Container>
+struct ContainerCapabilitiesImpl<Container, QtPrivate::ContainerCapabilitiesMetaProgrammingHelper::void_t<decltype(std::declval<Container>().insert(std::declval<typename Container::value_type>())), decltype(std::declval<typename Container::value_type>() == std::declval<typename Container::value_type>())>>
+{
+    enum {ContainerCapabilities = ContainerIsAppendable};
+
+    // The code below invokes undefined behavior if and only if the pointer passed into QSequentialIterableImpl
+    // pointed to a const object to begin with
+    static void appendImpl(const void *container, const void *value)
+    { static_cast<Container *>(const_cast<void *>(container))->insert(*static_cast<const typename Container::value_type *>(value)); }
+};
+
 template<typename T, typename Category = typename std::iterator_traits<typename T::const_iterator>::iterator_category>
 struct CapabilitiesImpl;
 
diff --git a/tests/auto/corelib/kernel/qvariant/tst_qvariant.cpp b/tests/auto/corelib/kernel/qvariant/tst_qvariant.cpp
index 70bda1a0ef..86c61cba12 100644
--- a/tests/auto/corelib/kernel/qvariant/tst_qvariant.cpp
+++ b/tests/auto/corelib/kernel/qvariant/tst_qvariant.cpp
@@ -5161,14 +5161,28 @@ void tst_QVariant::sequentialIterableEndianessSanityCheck()
 
 void tst_QVariant::sequentialIterableAppend()
 {
-    QVector<int> container {1, 2};
-    auto variant = QVariant::fromValue(container);
-    QVERIFY(variant.canConvert<QtMetaTypePrivate::QSequentialIterableImpl>());
-    auto asIterable = variant.value<QtMetaTypePrivate::QSequentialIterableImpl>();
-    const int i = 3, j = 4;
-    asIterable.append(&i);
-    asIterable.append(&j);
-    QCOMPARE(variant.value<QVector<int>>(), QVector<int> ({1, 2, 3, 4}));
+    {
+        QVector<int> container {1, 2};
+        auto variant = QVariant::fromValue(container);
+        QVERIFY(variant.canConvert<QtMetaTypePrivate::QSequentialIterableImpl>());
+        auto asIterable = variant.value<QtMetaTypePrivate::QSequentialIterableImpl>();
+        const int i = 3, j = 4;
+        asIterable.append(&i);
+        asIterable.append(&j);
+        QCOMPARE(variant.value<QVector<int>>(), QVector<int> ({1, 2, 3, 4}));
+    }
+    {
+        QSet<QByteArray> container { QByteArray{"hello"}, QByteArray{"world"} };
+        auto variant = QVariant::fromValue(std::move(container));
+        QVERIFY(variant.canConvert<QtMetaTypePrivate::QSequentialIterableImpl>());
+        auto asIterable = variant.value<QtMetaTypePrivate::QSequentialIterableImpl>();
+        QByteArray qba1 {"goodbye"};
+        QByteArray qba2 { "moon" };
+        asIterable.append( &qba1 );
+        asIterable.append( &qba2);
+        QSet<QByteArray> reference { "hello", "world", "goodbye", "moon" };
+        QCOMPARE(variant.value<QSet<QByteArray>>(), reference);
+    }
 }
 
 void tst_QVariant::preferDirectConversionOverInterfaces()