diff --git a/src/corelib/kernel/qmetacontainer.h b/src/corelib/kernel/qmetacontainer.h
index 68d62bd2ea4..bdbf2ae369d 100644
--- a/src/corelib/kernel/qmetacontainer.h
+++ b/src/corelib/kernel/qmetacontainer.h
@@ -982,6 +982,8 @@ public:
         return a.d() != b.d();
     }
 
+    const QtMetaContainerPrivate::QMetaSequenceInterface *iface() const { return d(); }
+
 private:
     template<typename T>
     struct MetaSequence
@@ -1176,6 +1178,8 @@ public:
         return a.d() != b.d();
     }
 
+    const QtMetaContainerPrivate::QMetaAssociationInterface *iface() const { return d(); }
+
 private:
     template<typename T>
     struct MetaAssociation
diff --git a/tests/auto/corelib/kernel/qmetacontainer/tst_qmetacontainer.cpp b/tests/auto/corelib/kernel/qmetacontainer/tst_qmetacontainer.cpp
index 606e94787a2..2eeb7ede8a7 100644
--- a/tests/auto/corelib/kernel/qmetacontainer/tst_qmetacontainer.cpp
+++ b/tests/auto/corelib/kernel/qmetacontainer/tst_qmetacontainer.cpp
@@ -497,6 +497,10 @@ void tst_QMetaContainer::testSequence()
     QVERIFY(metaSequence.compareConstIterator(constIt, constEnd));
     metaSequence.destroyConstIterator(constIt);
     metaSequence.destroyConstIterator(constEnd);
+
+    QVERIFY(metaSequence.iface() != nullptr);
+    QMetaSequence defaultConstructed;
+    QVERIFY(defaultConstructed.iface() == nullptr);
 }
 
 void tst_QMetaContainer::testAssociation_data()
@@ -722,6 +726,10 @@ void tst_QMetaContainer::testAssociation()
     QVERIFY(metaAssociation.compareConstIterator(constIt, constEnd));
     metaAssociation.destroyConstIterator(constIt);
     metaAssociation.destroyConstIterator(constEnd);
+
+    QVERIFY(metaAssociation.iface() != nullptr);
+    QMetaSequence defaultConstructed;
+    QVERIFY(defaultConstructed.iface() == nullptr);
 }
 
 QTEST_MAIN(tst_QMetaContainer)