diff --git a/configs/mt7629_rfb_defconfig b/configs/mt7629_rfb_defconfig
index 3ee77f3..f5e3c26 100644
--- a/configs/mt7629_rfb_defconfig
+++ b/configs/mt7629_rfb_defconfig
@@ -28,6 +28,8 @@
 CONFIG_SPL_FOOTPRINT_LIMIT=y
 CONFIG_SPL_MAX_FOOTPRINT=0x10000
 CONFIG_SPL_SYS_MALLOC_SIMPLE=y
+# CONFIG_SPL_SHARES_INIT_SP_ADDR is not set
+CONFIG_SPL_STACK=0x106000
 CONFIG_SPL_STACK_R=y
 CONFIG_SPL_NOR_SUPPORT=y
 CONFIG_SPL_WATCHDOG=y