diff --git a/configs/ls1012a2g5rdb_qspi_defconfig b/configs/ls1012a2g5rdb_qspi_defconfig
index a887c7e..fa01894 100644
--- a/configs/ls1012a2g5rdb_qspi_defconfig
+++ b/configs/ls1012a2g5rdb_qspi_defconfig
@@ -7,6 +7,7 @@
 CONFIG_ENV_SIZE=0x2000
 CONFIG_ENV_OFFSET=0x300000
 CONFIG_ENV_SECT_SIZE=0x40000
+CONFIG_SYS_MALLOC_LEN=0x500000
 CONFIG_DM_GPIO=y
 CONFIG_DEFAULT_DEVICE_TREE="fsl-ls1012a-2g5rdb"
 CONFIG_FSL_LS_PPA=y