diff --git a/sbin/ping/tests/Makefile b/sbin/ping/tests/Makefile
index 0520b1d634cf..7d3ab02b9a86 100644
--- a/sbin/ping/tests/Makefile
+++ b/sbin/ping/tests/Makefile
@@ -1,17 +1,18 @@
 ATF_TESTS_C+=	in_cksum_test
-SRCS.in_cksum_test= in_cksum_test.c ../utils.c
+.PATH:	${.CURDIR:H}
+SRCS.in_cksum_test= in_cksum_test.c utils.c
 
 PACKAGE= tests
 
 ATF_TESTS_PYTEST+=	test_ping.py
 ATF_TESTS_SH+=	ping_test
 # Exclusive because each injection test case uses the same IP addresses
 TEST_METADATA.ping_test+=	is_exclusive="true"
 
 ${PACKAGE}FILES+= ping_c1_s56_t1.out
 ${PACKAGE}FILES+= ping_6_c1_s8_t1.out
 ${PACKAGE}FILES+= ping_c1_s56_t1_S127.out
 ${PACKAGE}FILES+= ping_c1_s8_t1_S1.out
 ${PACKAGE}FILES+= injection.py
 
 .include <bsd.test.mk>