diff --git a/configs/kp_imx53_defconfig b/configs/kp_imx53_defconfig
index c7f77f1..b8f6d8a 100644
--- a/configs/kp_imx53_defconfig
+++ b/configs/kp_imx53_defconfig
@@ -5,6 +5,7 @@
 CONFIG_ENV_SIZE=0x2000
 CONFIG_ENV_OFFSET=0x100000
 CONFIG_TARGET_KP_IMX53=y
+CONFIG_SYS_MALLOC_LEN=0x2000000
 CONFIG_DEFAULT_DEVICE_TREE="imx53-kp"
 CONFIG_ENV_OFFSET_REDUND=0x102000
 # CONFIG_CMD_BMODE is not set