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-rw-r--r--src/qml/jsruntime/qv4internalclass.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/qml/jsruntime/qv4internalclass.cpp b/src/qml/jsruntime/qv4internalclass.cpp
index 29ede3d104..761a180722 100644
--- a/src/qml/jsruntime/qv4internalclass.cpp
+++ b/src/qml/jsruntime/qv4internalclass.cpp
@@ -183,6 +183,8 @@ InternalClass *InternalClass::changeMember(String *string, PropertyAttributes da
InternalClass *InternalClass::create(ExecutionEngine *engine, const ManagedVTable *vtable, Object *proto)
{
InternalClass *c = engine->emptyClass->changeVTable(vtable);
+ if (!proto)
+ return c;
return c->changePrototype(proto);
}