diff --git a/configs/sandbox_spl_defconfig b/configs/sandbox_spl_defconfig
index 2696d0b6cd..4c020528fd 100644
--- a/configs/sandbox_spl_defconfig
+++ b/configs/sandbox_spl_defconfig
@@ -7,6 +7,7 @@ CONFIG_SYS_MEMTEST_END=0x00101000
 CONFIG_ENV_SIZE=0x2000
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_SPL_DRIVERS_MISC_SUPPORT=y
+CONFIG_SPL_SYS_MALLOC_F_LEN=0x8000
 CONFIG_SPL=y
 CONFIG_BOOTSTAGE_STASH_ADDR=0x0
 CONFIG_DEFAULT_DEVICE_TREE="sandbox"