Index: head/lib/libc/tests/iconv/Makefile
===================================================================
--- head/lib/libc/tests/iconv/Makefile
+++ head/lib/libc/tests/iconv/Makefile
@@ -3,5 +3,6 @@
 TESTSDIR=	${TESTSBASE}/lib/libc/iconv
 
 ATF_TESTS_C+=	iconvctl_test
+WARNS?=		2
 
 .include <bsd.test.mk>