diff --git a/src/corelib/kernel/qvariant.cpp b/src/corelib/kernel/qvariant.cpp
index 26304fcc40f..db8fea298de 100644
--- a/src/corelib/kernel/qvariant.cpp
+++ b/src/corelib/kernel/qvariant.cpp
@@ -972,7 +972,7 @@ static bool convert(const QVariant::Private *d, int t, void *result, bool *ok)
             const QVariantMap *map = v_cast<QVariantMap>(d);
             const auto end = map->end();
             for (auto it = map->begin(); it != end; ++it)
-                static_cast<QMultiHash<QString, QVariant> *>(hash)->insert(it.key(), it.value());
+                hash->insert(it.key(), it.value());
 #ifndef QT_BOOTSTRAPPED
         } else if (d->type == QMetaType::QCborValue) {
             if (!v_cast<QCborValue>(d)->isMap())
diff --git a/src/corelib/kernel/qvariant.h b/src/corelib/kernel/qvariant.h
index 353bfa7ce7d..a09a70548c4 100644
--- a/src/corelib/kernel/qvariant.h
+++ b/src/corelib/kernel/qvariant.h
@@ -818,7 +818,7 @@ namespace QtPrivate {
                 QVariantHash l;
                 l.reserve(iter.size());
                 for (QAssociativeIterable::const_iterator it = iter.begin(), end = iter.end(); it != end; ++it)
-                    static_cast<QMultiHash<QString, QVariant> &>(l).insert(it.key().toString(), it.value());
+                    l.insert(it.key().toString(), it.value());
                 return l;
             }
             return QVariantValueHelper<QVariantHash>::invoke(v);