diff --git a/lib/base/objectlock.hpp b/lib/base/objectlock.hpp
index 277f99041..8e98641db 100644
--- a/lib/base/objectlock.hpp
+++ b/lib/base/objectlock.hpp
@@ -17,6 +17,9 @@ public:
 	ObjectLock(const Object::Ptr& object);
 	ObjectLock(const Object *object);
 
+	ObjectLock(const ObjectLock&) = delete;
+	ObjectLock& operator=(const ObjectLock&) = delete;
+
 	~ObjectLock();
 
 	void Lock();