diff --git a/handler/packetHandler.hpp b/handler/packetHandler.hpp
index ff21016..1245111 100644
--- a/handler/packetHandler.hpp
+++ b/handler/packetHandler.hpp
@@ -3,7 +3,7 @@
 
 #include "../DTO/packet.hpp"
 
-void packetHandler(Packet packet){
+void packetHandler(const Packet &packet){
     
 }