diff --git a/bin/tests/entropy_test.c b/bin/tests/entropy_test.c
index 273050ee2e..a2dbb7d36f 100644
--- a/bin/tests/entropy_test.c
+++ b/bin/tests/entropy_test.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007, 2015  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2015, 2018  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -38,7 +38,7 @@ hex_dump(const char *msg, void *data, unsigned int length) {
 
 	base = data;
 
-	printf("DUMP of %d bytes:  %s\n\t", length, msg);
+	printf("DUMP of %u bytes:  %s\n\t", length, msg);
 	for (len = 0; len < length; len++) {
 		if (len % 16 == 0 && !first)
 			printf("\n\t");
diff --git a/util/copyrights b/util/copyrights
index aaca442572..99e1caa91c 100644
--- a/util/copyrights
+++ b/util/copyrights
@@ -527,7 +527,7 @@
 ./bin/tests/dst/win32/t_dst.vcxproj.in		X	2013,2015,2016,2017
 ./bin/tests/dst/win32/t_dst.vcxproj.user	X	2013
 ./bin/tests/entropy2_test.c			C	2000,2001,2004,2005,2007,2015,2018
-./bin/tests/entropy_test.c			C	2000,2001,2004,2005,2007,2015
+./bin/tests/entropy_test.c			C	2000,2001,2004,2005,2007,2015,2018
 ./bin/tests/fromhex.pl				PERL	2015
 ./bin/tests/fsaccess_test.c			C	2000,2001,2004,2005,2007,2012,2015
 ./bin/tests/gxba_test.c				C	2000,2001,2004,2005,2007,2015