diff --git a/Makefile b/Makefile
index 1494e809e6..6191d59485 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,7 @@
+# Copyright (C) 2012 Alejandro Mery <amery@geeks.cl>
+# Copyright (C) 2012,2013 Henrik Nordstrom <henrik@henriknordstrom.net>
+# Copyright (C) 2013 Patrick Wood <patrickhwood@gmail.com>
+# Copyright (C) 2013 Pat Wood <Pat.Wood@efi.com>
 # Copyright (C) 2014 Alexey Edelev <semlanik@gmail.com>
 #
 # This program is free software: you can redistribute it and/or modify