diff --git a/configs/smdk5420_defconfig b/configs/smdk5420_defconfig
index 12933f0..9dc43f2 100644
--- a/configs/smdk5420_defconfig
+++ b/configs/smdk5420_defconfig
@@ -1,3 +1,4 @@
 CONFIG_SPL=y
 +S:CONFIG_ARM=y
++S:CONFIG_ARCH_EXYNOS=y
 +S:CONFIG_TARGET_SMDK5420=y