diff --git a/bin/tests/system/addzone/ns2/redirect.db.1 b/bin/tests/system/addzone/ns2/redirect.db.1
index be6241ddc9..2016ae3c50 100644
--- a/bin/tests/system/addzone/ns2/redirect.db.1
+++ b/bin/tests/system/addzone/ns2/redirect.db.1
@@ -1,4 +1,4 @@
-; Copyright (C) 2017  Internet Systems Consortium, Inc. ("ISC")
+; Copyright (C) 2016, 2017  Internet Systems Consortium, Inc. ("ISC")
 ;
 ; This Source Code Form is subject to the terms of the Mozilla Public
 ; License, v. 2.0. If a copy of the MPL was not distributed with this
diff --git a/bin/tests/system/addzone/ns2/redirect.db.2 b/bin/tests/system/addzone/ns2/redirect.db.2
index 9b25a534e1..f81bb6bb3d 100644
--- a/bin/tests/system/addzone/ns2/redirect.db.2
+++ b/bin/tests/system/addzone/ns2/redirect.db.2
@@ -1,4 +1,4 @@
-; Copyright (C) 2017  Internet Systems Consortium, Inc. ("ISC")
+; Copyright (C) 2016, 2017  Internet Systems Consortium, Inc. ("ISC")
 ;
 ; This Source Code Form is subject to the terms of the Mozilla Public
 ; License, v. 2.0. If a copy of the MPL was not distributed with this