diff --git a/configs/firefly-rk3399_defconfig b/configs/firefly-rk3399_defconfig
index 4ed54ea..679f364 100644
--- a/configs/firefly-rk3399_defconfig
+++ b/configs/firefly-rk3399_defconfig
@@ -17,6 +17,7 @@
 CONFIG_MISC_INIT_R=y
 CONFIG_SPL_MAX_SIZE=0x2e000
 CONFIG_SPL_PAD_TO=0x7f8000
+CONFIG_SPL_BSS_MAX_SIZE=0x2000
 # CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
 CONFIG_SPL_STACK_R=y
 CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN=0x10000