diff --git a/configs/T1024RDB_SDCARD_defconfig b/configs/T1024RDB_SDCARD_defconfig
index cb31652..127dd36 100644
--- a/configs/T1024RDB_SDCARD_defconfig
+++ b/configs/T1024RDB_SDCARD_defconfig
@@ -12,6 +12,7 @@
 CONFIG_SPL_DRIVERS_MISC=y
 CONFIG_SPL=y
 CONFIG_MPC85xx=y
+CONFIG_SYS_INIT_RAM_LOCK=y
 CONFIG_TARGET_T1024RDB=y
 CONFIG_ENABLE_36BIT_PHYS=y
 CONFIG_SYS_BOOK3E_HV=y