Index: head/libexec/tftpd/tests/Makefile
===================================================================
--- head/libexec/tftpd/tests/Makefile	(revision 358686)
+++ head/libexec/tftpd/tests/Makefile	(revision 358687)
@@ -1,14 +1,15 @@
 # $FreeBSD$
 
 .include <bsd.own.mk>
 
 # Skip on GCC 4.2, because it lacks __COUNTER__
 .if ${COMPILER_TYPE} != "gcc" || ${COMPILER_VERSION} >= 40300
 ATF_TESTS_C=	functional
 TEST_METADATA.functional+=	timeout=15
 .endif
 
 LIBADD=	util
 WARNS?=	6
+CSTD=	c11
 
 .include <bsd.test.mk>