diff --git a/configs/sama5d36ek_cmp_mmc_defconfig b/configs/sama5d36ek_cmp_mmc_defconfig
index e61f897..bc20f17 100644
--- a/configs/sama5d36ek_cmp_mmc_defconfig
+++ b/configs/sama5d36ek_cmp_mmc_defconfig
@@ -3,6 +3,7 @@
 CONFIG_SYS_TEXT_BASE=0x26f00000
 CONFIG_TARGET_SAMA5D3XEK=y
 CONFIG_SYS_MALLOC_F_LEN=0x2000
+CONFIG_ENV_SIZE=0x4000
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_DEBUG_UART_BOARD_INIT=y
 CONFIG_DEBUG_UART_BASE=0xffffee00