diff --git a/util/copyrights b/util/copyrights
index 7cdbe11e5a..2176efd256 100644
--- a/util/copyrights
+++ b/util/copyrights
@@ -793,9 +793,8 @@
 ./bin/tests/system/addzone/ns2/named2.conf	CONF-C	2010,2011,2016
 ./bin/tests/system/addzone/ns2/normal.db	ZONE	2010,2016
 ./bin/tests/system/addzone/ns2/previous.db	ZONE	2010,2016
-./bin/tests/system/addzone/ns2/redirect.db	ZONE	2016
-./bin/tests/system/addzone/ns2/redirect.db.1	ZONE	2017
-./bin/tests/system/addzone/ns2/redirect.db.2	ZONE	2017
+./bin/tests/system/addzone/ns2/redirect.db.1	ZONE	2016,2017
+./bin/tests/system/addzone/ns2/redirect.db.2	ZONE	2016,2017
 ./bin/tests/system/addzone/ns3/named.conf	CONF-C	2017
 ./bin/tests/system/addzone/ns3/redirect.db.1	ZONE	2017
 ./bin/tests/system/addzone/ns3/redirect.db.2	ZONE	2017