diff --git a/tests/sys/netinet6/frag6/Makefile b/tests/sys/netinet6/frag6/Makefile
index f3eef9305a1..d1661060368 100644
--- a/tests/sys/netinet6/frag6/Makefile
+++ b/tests/sys/netinet6/frag6/Makefile
@@ -29,6 +29,8 @@ ATF_TESTS_SH=			\
 				frag6_19 \
 				frag6_20
 
+TEST_METADATA+=	is_exclusive=true
+
 ${PACKAGE}FILES+=		frag6.subr
 ${PACKAGE}FILES+=		sniffer.py
 ${PACKAGE}FILES+=		frag6_01.py