diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile
index c7f47429d6cd..07e354690745 100644
--- a/tools/testing/selftests/kvm/Makefile
+++ b/tools/testing/selftests/kvm/Makefile
@@ -4,6 +4,8 @@ include ../../../build/Build.include
 all:
 
 top_srcdir = ../../../..
+include $(top_srcdir)/scripts/subarch.include
+ARCH            ?= $(SUBARCH)
 
 # For cross-builds to work, UNAME_M has to map to ARCH and arch specific
 # directories and targets in this Makefile. "uname -m" doesn't map to