diff --git a/Makefile b/Makefile
index 41fc7681fbab..fd8329474e86 100644
--- a/Makefile
+++ b/Makefile
@@ -1367,7 +1367,7 @@ kselftest-%: headers FORCE
 PHONY += kselftest-merge
 kselftest-merge:
 	$(if $(wildcard $(objtree)/.config),, $(error No .config exists, config your kernel first!))
-	$(Q)find $(srctree)/tools/testing/selftests -name config | \
+	$(Q)find $(srctree)/tools/testing/selftests -name config -o -name config.$(UTS_MACHINE) | \
 		xargs $(srctree)/scripts/kconfig/merge_config.sh -y -m $(objtree)/.config
 	$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig