diff --git a/Makefile b/Makefile
index 64cbc66..9a70578 100644
--- a/Makefile
+++ b/Makefile
@@ -1172,11 +1172,11 @@
 
 PHONY += kselftest
 kselftest:
-	$(Q)$(MAKE) -C tools/testing/selftests run_tests
+	$(Q)$(MAKE) -C $(srctree)/tools/testing/selftests run_tests
 
 PHONY += kselftest-clean
 kselftest-clean:
-	$(Q)$(MAKE) -C tools/testing/selftests clean
+	$(Q)$(MAKE) -C $(srctree)/tools/testing/selftests clean
 
 PHONY += kselftest-merge
 kselftest-merge: