diff --git a/configs/at91sam9rlek_nandflash_defconfig b/configs/at91sam9rlek_nandflash_defconfig
index 29ee4b3..623e21b 100644
--- a/configs/at91sam9rlek_nandflash_defconfig
+++ b/configs/at91sam9rlek_nandflash_defconfig
@@ -6,6 +6,7 @@
 CONFIG_TARGET_AT91SAM9RLEK=y
 CONFIG_SYS_MALLOC_F_LEN=0x2000
 CONFIG_NR_DRAM_BANKS=1
+CONFIG_SYS_MALLOC_LEN=0x80000
 CONFIG_DM_GPIO=y
 CONFIG_DEFAULT_DEVICE_TREE="at91sam9rlek"
 CONFIG_DEBUG_UART_BOARD_INIT=y