diff --git a/util/copyrights b/util/copyrights
index 69e4c66449..ccdf989e57 100644
--- a/util/copyrights
+++ b/util/copyrights
@@ -1229,6 +1229,7 @@
 ./bin/tests/system/tsiggss/setup.sh		SH	2010,2011,2012
 ./bin/tests/system/tsiggss/tests.sh		X	2010,2011
 ./bin/tests/system/unknown/clean.sh		SH	2000,2001,2004,2007
+./bin/tests/system/unknown/large.out		X	2012
 ./bin/tests/system/unknown/ns1/broken1.db	ZONE	2000,2001,2004,2007
 ./bin/tests/system/unknown/ns1/broken2.db	ZONE	2000,2001,2004,2007
 ./bin/tests/system/unknown/ns1/broken3.db	ZONE	2000,2001,2004,2007