diff --git a/include/protocol/Protocol.h b/include/protocol/Protocol.h
index f1394a4..49707ed 100644
--- a/include/protocol/Protocol.h
+++ b/include/protocol/Protocol.h
@@ -526,7 +526,7 @@ private:
     game::Direction m_MobDirection;
 public:
     MobState() {}
-    MobState(game::MobID id, Point position, float life, game::Direction direction) :
+    MobState(game::MobID id, const Point& position, float life, game::Direction direction) :
         m_MobID(id), m_MobPosition(position), m_MobLife(life), m_MobDirection(direction) {}
 
     game::MobID getMobId() const { return m_MobID; }