diff --git a/configs/P1021RDB-PC_NAND_defconfig b/configs/P1021RDB-PC_NAND_defconfig
index 6c91058..de83d43 100644
--- a/configs/P1021RDB-PC_NAND_defconfig
+++ b/configs/P1021RDB-PC_NAND_defconfig
@@ -33,6 +33,7 @@
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
 CONFIG_CMD_DATE=y
+CONFIG_MP=y
 # CONFIG_CMD_HASH is not set
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y