diff --git a/kernel/include/ethernet_layer.hpp b/kernel/include/ethernet_layer.hpp
index cb0f13a8..3c980666 100644
--- a/kernel/include/ethernet_layer.hpp
+++ b/kernel/include/ethernet_layer.hpp
@@ -50,7 +50,7 @@ static_assert(sizeof(header) == 14, "The size of the Ethernet header is 14 bytes
 void decode(packet& packet);
 
 packet prepare_packet(size_t size, size_t destination, ether_type type);
-packet finalize_packet(size_t size, size_t destination, ether_type type);
+void finalize_packet(packet& p);
 
 } // end of ethernet namespace
 
diff --git a/kernel/src/ethernet_layer.cpp b/kernel/src/ethernet_layer.cpp
index 7fe8f353..e649142a 100644
--- a/kernel/src/ethernet_layer.cpp
+++ b/kernel/src/ethernet_layer.cpp
@@ -106,6 +106,6 @@ network::ethernet::packet network::ethernet::prepare_packet(size_t size, size_t
     return p;
 }
 
-packet finalize_packet(size_t size, size_t destination, ether_type type){
+void network::ethernet::finalize_packet(packet& p){
     //TODO Send the packet
 }