diff --git a/mate-build-extra.sh b/mate-build-extra.sh
index 7084535..59738e4 100755
--- a/mate-build-extra.sh
+++ b/mate-build-extra.sh
@@ -4,6 +4,7 @@
 # All rights reserved.
 #
 # Copyright 2013 Chess Griffin <chess.griffin@gmail.com> Raleigh, NC
+# Copyright 2013 Willy Sudiarto Raharjo <willysr@slackware-id.org>
 # All rights reserved.
 #
 # Based on the xfce-build-all.sh script by Patrick J. Volkerding
diff --git a/testing/mate-build-testing.sh b/testing/mate-build-testing.sh
index 94ea4f0..2854b0c 100644
--- a/testing/mate-build-testing.sh
+++ b/testing/mate-build-testing.sh
@@ -4,6 +4,7 @@
 # All rights reserved.
 #
 # Copyright 2013 Chess Griffin <chess.griffin@gmail.com> Raleigh, NC
+# Copyright 2013 Willy Sudiarto Raharjo <willysr@slackware-id.org>
 # All rights reserved.
 #
 # Based on the xfce-build-all.sh script by Patrick J. Volkerding