diff --git a/configs/T1023RDB_NAND_defconfig b/configs/T1023RDB_NAND_defconfig
index 4eaab55..b1637c2 100644
--- a/configs/T1023RDB_NAND_defconfig
+++ b/configs/T1023RDB_NAND_defconfig
@@ -22,6 +22,7 @@
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_GREPENV=y
 CONFIG_CMD_MEMTEST=y
+CONFIG_SYS_ALT_MEMTEST=y
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y