diff --git a/configs/rainier_defconfig b/configs/rainier_defconfig
index 1713592..76fa17d 100644
--- a/configs/rainier_defconfig
+++ b/configs/rainier_defconfig
@@ -2,3 +2,4 @@
 CONFIG_4xx=y
 CONFIG_TARGET_SEQUOIA=y
 CONFIG_SYS_EXTRA_OPTIONS="RAINIER"
+CONFIG_CMD_SETEXPR=y