diff --git a/configs/ls2081ardb_defconfig b/configs/ls2081ardb_defconfig
index bfba7ab..5f7b45d 100644
--- a/configs/ls2081ardb_defconfig
+++ b/configs/ls2081ardb_defconfig
@@ -6,6 +6,7 @@
 CONFIG_ENV_SIZE=0x2000
 CONFIG_ENV_OFFSET=0x300000
 CONFIG_ENV_SECT_SIZE=0x40000
+CONFIG_SYS_MALLOC_LEN=0x202000
 CONFIG_DEFAULT_DEVICE_TREE="fsl-ls2081a-rdb"
 CONFIG_FSL_USE_PCA9547_MUX=y
 CONFIG_FSL_LS_PPA=y