diff --git a/tools/testing/selftests/kselftest_harness/Makefile b/tools/testing/selftests/kselftest_harness/Makefile
index 0617535a6ce4..d2369c01701a 100644
--- a/tools/testing/selftests/kselftest_harness/Makefile
+++ b/tools/testing/selftests/kselftest_harness/Makefile
@@ -2,6 +2,7 @@
 
 TEST_GEN_PROGS_EXTENDED := harness-selftest
 TEST_PROGS := harness-selftest.sh
+TEST_FILES := harness-selftest.expected
 EXTRA_CLEAN := harness-selftest.seen
 
 include ../lib.mk