diff --git a/util/copyrights b/util/copyrights
index 7caf01efde..3299e64d66 100644
--- a/util/copyrights
+++ b/util/copyrights
@@ -1773,7 +1773,7 @@
 ./bin/tests/system/resolver/setup.sh		SH	2010,2011,2012,2013,2014
 ./bin/tests/system/resolver/tests.sh		SH	2000,2001,2004,2007,2009,2010,2011,2012,2013,2014,2015,2016,2017
 ./bin/tests/system/rndc/.gitignore		X	2015
-./bin/tests/system/rndc/clean.sh		SH	2011,2012,2013,2014,2015
+./bin/tests/system/rndc/clean.sh		SH	2011,2012,2013,2014,2015,2017
 ./bin/tests/system/rndc/ns2/incl.db		ZONE	2013
 ./bin/tests/system/rndc/ns2/named.conf		CONF-C	2011,2012,2013
 ./bin/tests/system/rndc/ns2/secondkey.conf	CONF-C	2012,2013