diff --git a/configs/P2041RDB_SPIFLASH_defconfig b/configs/P2041RDB_SPIFLASH_defconfig
index 84ae1c6..6e0b99a 100644
--- a/configs/P2041RDB_SPIFLASH_defconfig
+++ b/configs/P2041RDB_SPIFLASH_defconfig
@@ -3,6 +3,7 @@
 CONFIG_ENV_SIZE=0x2000
 CONFIG_ENV_OFFSET=0x100000
 CONFIG_ENV_SECT_SIZE=0x10000
+CONFIG_SYS_MALLOC_LEN=0x100000
 CONFIG_DEFAULT_DEVICE_TREE="p2041rdb"
 CONFIG_MPC85xx=y
 CONFIG_TARGET_P2041RDB=y