diff --git a/configs/arches_defconfig b/configs/arches_defconfig
index 9084a3a..7b1eda8 100644
--- a/configs/arches_defconfig
+++ b/configs/arches_defconfig
@@ -3,4 +3,5 @@
 CONFIG_TARGET_CANYONLANDS=y
 CONFIG_ARCHES=y
 CONFIG_DEFAULT_DEVICE_TREE="arches"
+CONFIG_CMD_SETEXPR=y
 CONFIG_OF_CONTROL=y