diff --git a/configs/cpu9G20_nand_128M_defconfig b/configs/cpu9G20_nand_128M_defconfig
index a74df9d..315042d 100644
--- a/configs/cpu9G20_nand_128M_defconfig
+++ b/configs/cpu9G20_nand_128M_defconfig
@@ -1,3 +1,4 @@
 CONFIG_SYS_EXTRA_OPTIONS="CPU9G20,CPU9G20_128M,NANDBOOT"
 CONFIG_ARM=y
+CONFIG_ARCH_AT91=y
 CONFIG_TARGET_CPU9260=y