diff --git a/configs/ae350_rv64_defconfig b/configs/ae350_rv64_defconfig
index 5425255..477329f 100644
--- a/configs/ae350_rv64_defconfig
+++ b/configs/ae350_rv64_defconfig
@@ -8,6 +8,8 @@
 CONFIG_TARGET_AX25_AE350=y
 CONFIG_ARCH_RV64I=y
 CONFIG_DISTRO_DEFAULTS=y
+CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
+CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0xfffd70
 CONFIG_FIT=y
 CONFIG_SYS_MONITOR_BASE=0x88000000
 CONFIG_BOOTDELAY=3