diff --git a/util/copyrights b/util/copyrights
index b43f266785..3e3d693c00 100644
--- a/util/copyrights
+++ b/util/copyrights
@@ -3805,7 +3805,7 @@
 ./lib/dns/zonekey.c				C	2001,2003,2004,2005,2007
 ./lib/dns/zt.c					C	1999,2000,2001,2002,2004,2005,2006,2007,2011,2012,2013,2014,2015,2016
 ./lib/irs/Makefile.in				MAKE	2009,2012,2014,2015
-./lib/irs/api					X	2009,2010,2011,2012,2013,2014,2015
+./lib/irs/api					X	2009,2010,2011,2012,2013,2014,2015,2016
 ./lib/irs/context.c				C	2009,2014
 ./lib/irs/dnsconf.c				C	2009,2012
 ./lib/irs/gai_strerror.c			C	2009,2014