diff --git a/configs/sandbox_spl_defconfig b/configs/sandbox_spl_defconfig
index ea2757c..cd3aa87 100644
--- a/configs/sandbox_spl_defconfig
+++ b/configs/sandbox_spl_defconfig
@@ -5,6 +5,7 @@
 CONFIG_SYS_MEMTEST_START=0x00100000
 CONFIG_SYS_MEMTEST_END=0x00101000
 CONFIG_ENV_SIZE=0x2000
+CONFIG_SYS_MALLOC_LEN=0x2000000
 CONFIG_DEFAULT_DEVICE_TREE="sandbox"
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_SPL_DRIVERS_MISC=y