1 files changed, 7 insertions, 1 deletions
diff --git a/src/corelib/kernel/qmetaobjectbuilder.cpp b/src/corelib/kernel/qmetaobjectbuilder.cpp
index 445009ea000..71db9dc524a 100644
--- a/src/corelib/kernel/qmetaobjectbuilder.cpp
+++ b/src/corelib/kernel/qmetaobjectbuilder.cpp
@@ -97,7 +97,13 @@ public:
 
     QList<QByteArray> parameterTypes() const
     {
-        return QMetaObjectPrivate::parameterTypeNamesFromSignature(signature);
+        QVarLengthArray<QByteArrayView, 10> typeNames;
+        QMetaObjectPrivate::parameterTypeNamesFromSignature(signature, typeNames);
+        QList<QByteArray> list;
+        list.reserve(typeNames.size());
+        for (auto n : typeNames)
+            list.emplace_back(n.toByteArray());
+        return list;
     }
 
     int parameterCount() const