diff --git a/configs/rut_defconfig b/configs/rut_defconfig
index 8ef5386..1b91d8b 100644
--- a/configs/rut_defconfig
+++ b/configs/rut_defconfig
@@ -37,6 +37,9 @@
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_ARCH_MISC_INIT=y
 CONFIG_SPL_BSS_START_ADDR=0x80000000
+CONFIG_SYS_SPL_MALLOC=y
+CONFIG_HAS_CUSTOM_SPL_MALLOC_START=y
+CONFIG_CUSTOM_SYS_SPL_MALLOC_ADDR=0x80208000
 CONFIG_SPL_I2C=y
 CONFIG_SPL_NAND_DRIVERS=y
 CONFIG_SPL_NAND_ECC=y