diff --git a/configs/picosam9g45_defconfig b/configs/picosam9g45_defconfig
index 6a087b4..abae023 100644
--- a/configs/picosam9g45_defconfig
+++ b/configs/picosam9g45_defconfig
@@ -8,6 +8,7 @@
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
 CONFIG_SPL_MMC_SUPPORT=y
 CONFIG_SPL_SERIAL_SUPPORT=y
+CONFIG_ENV_SIZE=0x4000
 CONFIG_NR_DRAM_BANKS=2
 CONFIG_SPL=y
 CONFIG_SPL_FS_FAT=y