diff --git a/Makefile b/Makefile
index 7a4d34b..1c4c8f8 100644
--- a/Makefile
+++ b/Makefile
@@ -189,7 +189,7 @@
 # Alternatively CROSS_COMPILE can be set in the environment.
 # Default value for CROSS_COMPILE is not to prefix executables
 # Note: Some architectures assign CROSS_COMPILE in their arch/*/Makefile
-
+export KBUILD_BUILDHOST := $(SUBARCH)
 ARCH		?= $(SUBARCH)
 CROSS_COMPILE	?=