diff --git a/configs/deneb_defconfig b/configs/deneb_defconfig
index f02b10b..c1fb57b 100644
--- a/configs/deneb_defconfig
+++ b/configs/deneb_defconfig
@@ -34,6 +34,7 @@
 CONFIG_BOOTCOMMAND="if usrbutton; then run flash_self_test; reset; fi;run flash_self;reset;"
 CONFIG_LOG=y
 CONFIG_BOARD_EARLY_INIT_F=y
+CONFIG_SPL_MAX_SIZE=0x1f000
 CONFIG_SPL_BOARD_INIT=y
 CONFIG_SPL_SYS_MALLOC_SIMPLE=y
 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR=y