diff --git a/configs/P1021RDB-PC_SDCARD_defconfig b/configs/P1021RDB-PC_SDCARD_defconfig
index 9da9221..3d7f90b 100644
--- a/configs/P1021RDB-PC_SDCARD_defconfig
+++ b/configs/P1021RDB-PC_SDCARD_defconfig
@@ -3,3 +3,4 @@
 CONFIG_TARGET_P1_P2_RDB_PC=y
 CONFIG_SPL=y
 CONFIG_SYS_EXTRA_OPTIONS="P1021RDB,SDCARD"
+CONFIG_CMD_SETEXPR=y