diff --git a/gateway_to_backend/protocol_buffers_files/data_message.proto b/gateway_to_backend/protocol_buffers_files/data_message.proto
index 4eb5ffc..eaaf729 100644
--- a/gateway_to_backend/protocol_buffers_files/data_message.proto
+++ b/gateway_to_backend/protocol_buffers_files/data_message.proto
@@ -47,4 +47,5 @@ message PacketReceivedEvent {
     optional uint32 payload_size = 10;
 
     optional uint32 hop_count = 11;
-}
\ No newline at end of file
+    optional uint64 network_address = 12;
+}