diff --git a/configs/bitmain_antminer_s9_defconfig b/configs/bitmain_antminer_s9_defconfig
index be5b8a0..02a8435 100644
--- a/configs/bitmain_antminer_s9_defconfig
+++ b/configs/bitmain_antminer_s9_defconfig
@@ -29,6 +29,8 @@
 CONFIG_CLOCKS=y
 CONFIG_SPL_MAX_SIZE=0x30000
 CONFIG_SPL_BSS_MAX_SIZE=0x100000
+# CONFIG_SPL_SHARES_INIT_SP_ADDR is not set
+CONFIG_SPL_STACK=0xfffffe00
 CONFIG_SPL_STACK_R=y
 CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="antminer> "